גָּד֣וֹל אֲדוֹנֵ֣ינוּ וְרַב־כֹּ֑חַ לִ֝תְבוּנָת֗וֹ אֵ֣ין מִסְפָּֽר׃
Dakila ang ating Panginoon at sagana sa kapangyarihan; ang Kanyang pang-unawa ay hindi mabilang.
Rabbeinu Bahya
A Kabbalistic approach: the words שלח תשלח את האם are a reference to the emanation בינה, the source from which the lower seven emanations derive their spiritual input in every seven year (שמטה) cycle to renew the face of the earth. The earth is the קן העולם, the nest of the world. It is known as אם העולם, “mother of the nest (world),” like the “mother bird,” seeing it hatches all creatures.
You will find the following comment in the Sefer Habahir item 104: Rabbi Rechumai said the reason that the Torah commands שלח תשלח את האם, “be sure to dispatch the mother,” whereas it does not say that one must dispatch the father bird, is to render recognition and give honor to the “mother” of the world seeing that the emanation בינה is perceived as the emanation everyone calls out for as we know from Proverbs 2,3 כי אם לבינה תקרא, “for you call out for insight.” [This may also be an allusion to Proverbs 1,8: ואל תטוש תורת אמך “do not abandon the teachings of your mother.” Ed.]
The emanation בינה as the emanation immediately “above” the lower seven emanations each of which symbolizes one of the seven days of creation, is perceived as the mother, i.e. the one giving birth to these other seven emanations.
Concerning the words ואת הבנים תקח לך the same Rabbi Rechumai writes that it refers to the בנים she has raised. This is a reference to the seven days of the week and the seven days of Sukkot. Thus far Sefer Habahir.
The dispatch of the mother bird legislated here applies only to pure birds, i.e. the ones permitted for consumption by Jews. This is a compliment and a form of religious service for these birds as they are considered above and beyond the domain of the seven days of creation, a domain which has not been completed (limited) by a number being given to it. [The reference appears to be to the emanation בינה, which is “higher” than the seven emanations below it. Ed.] A parallel to this is found in Psalms 147,8 ולתבונתו אין מספרת, “its insight has not been assigned a number such as have the days (which would limit it). Not only the emanation בינה but also the tenth emanation מלכות, (from כתר down) is known as אם as we know from the fifth commandment כבד את אביך ואת אמך, a commandment addressed to people in that sphere. [I assume that the word ואת in that commandment provides the linkage between בינה and מלכות. Ed.]
Our sages in Berachot 35 citing Proverbs 28,24 where Solomon lambasts those who rob father and mother, speak about man robbing G’d (in connection with enjoying food etc., without first reciting a benediction). The reason the simile is extended to both father and mother [who cannot both represent G’d. Ed.] is that “father” refers to Hashem, whereas “mother” refers to כנסת ישראל, the spiritual concept of the people of Israel.
The Torah promises long life as the reward for fulfilling both the commandment of honouring father and mother and the commandment of dispatching the mother bird. The only difference in the wording of the reward is that in connection with honouring father and mother the “long life” is promised על האדמה, an expression repeated in connection with having true weights (Deut. 25,15). In connection with our commandment the words על האדמה “on the earth” are missing, suggesting that the Torah speaks of extra terrestrial life in the hereafter, or as the sages put it “in a world which is all long life.”
The meaning of the words והארכת ימים is a reference to the תאריך אף מן הימים, “you will also enjoy other days,” i.e. after the world limited to ששת ימים, the six days of creation has come to an end.
You will find the following comment in the Sefer Habahir item 104: Rabbi Rechumai said the reason that the Torah commands שלח תשלח את האם, “be sure to dispatch the mother,” whereas it does not say that one must dispatch the father bird, is to render recognition and give honor to the “mother” of the world seeing that the emanation בינה is perceived as the emanation everyone calls out for as we know from Proverbs 2,3 כי אם לבינה תקרא, “for you call out for insight.” [This may also be an allusion to Proverbs 1,8: ואל תטוש תורת אמך “do not abandon the teachings of your mother.” Ed.]
The emanation בינה as the emanation immediately “above” the lower seven emanations each of which symbolizes one of the seven days of creation, is perceived as the mother, i.e. the one giving birth to these other seven emanations.
Concerning the words ואת הבנים תקח לך the same Rabbi Rechumai writes that it refers to the בנים she has raised. This is a reference to the seven days of the week and the seven days of Sukkot. Thus far Sefer Habahir.
The dispatch of the mother bird legislated here applies only to pure birds, i.e. the ones permitted for consumption by Jews. This is a compliment and a form of religious service for these birds as they are considered above and beyond the domain of the seven days of creation, a domain which has not been completed (limited) by a number being given to it. [The reference appears to be to the emanation בינה, which is “higher” than the seven emanations below it. Ed.] A parallel to this is found in Psalms 147,8 ולתבונתו אין מספרת, “its insight has not been assigned a number such as have the days (which would limit it). Not only the emanation בינה but also the tenth emanation מלכות, (from כתר down) is known as אם as we know from the fifth commandment כבד את אביך ואת אמך, a commandment addressed to people in that sphere. [I assume that the word ואת in that commandment provides the linkage between בינה and מלכות. Ed.]
Our sages in Berachot 35 citing Proverbs 28,24 where Solomon lambasts those who rob father and mother, speak about man robbing G’d (in connection with enjoying food etc., without first reciting a benediction). The reason the simile is extended to both father and mother [who cannot both represent G’d. Ed.] is that “father” refers to Hashem, whereas “mother” refers to כנסת ישראל, the spiritual concept of the people of Israel.
The Torah promises long life as the reward for fulfilling both the commandment of honouring father and mother and the commandment of dispatching the mother bird. The only difference in the wording of the reward is that in connection with honouring father and mother the “long life” is promised על האדמה, an expression repeated in connection with having true weights (Deut. 25,15). In connection with our commandment the words על האדמה “on the earth” are missing, suggesting that the Torah speaks of extra terrestrial life in the hereafter, or as the sages put it “in a world which is all long life.”
The meaning of the words והארכת ימים is a reference to the תאריך אף מן הימים, “you will also enjoy other days,” i.e. after the world limited to ששת ימים, the six days of creation has come to an end.
Ramban
AND TO RULE OVER THE DAY AND OVER THE NIGHT. The matter of rulership is a different matter from the function of light which He mentioned, since it includes that which He stated at first, And they shall be for signs, and seasons. Their rulership over the earth comprises the changes which they cause in it and the power of bringing about the existence and deterioration of all things in the lower world since the sun, by its rule during the day, causes the sprouting, the propagation and the growth of all the warm and dry things, while the moon by its rule increases the springs and the oceans, and all liquid and cold things. Therefore He said in a general way, And to rule over the day and over the night, because theirs is the dominion over things in the lower world.
It is possible that the rulership given to them contains also a power of emanation for they are the leaders of things in the lower world, and with their power, every ruling power in nature holds sway. Thus the constellation which comes up by day rules during it, even as it is written, The sun and the moon and the stars… which the Eternal thy G-d hath allotted unto all the peoples.160Deuteronomy 4:19. And this is what Scripture means when it says, He counteth the number of the stars; He giveth them all their names,161Psalms 147:4. likewise, He calleth them all by name.162Isaiah 40:26. For the calling of names signifies the differentiation in their respective powers, giving to this one the power of justice and righteousness, and to that one the power of blood and the sword, and similarly all other powers, as is known in astrology. And all is done by the power of the Most High and in accordance with His Will. Therefore it says, Great is our Lord, and mighty in power,163Psalms 147:5. for He is greatest of all and mightiest in power over them. And similarly it says, He calleth them all by name by the greatness of His might and the strength of His power.162Isaiah 40:26. In accord with the secret I have hinted to you, the matter of rulership is completely true.
It is possible that the rulership given to them contains also a power of emanation for they are the leaders of things in the lower world, and with their power, every ruling power in nature holds sway. Thus the constellation which comes up by day rules during it, even as it is written, The sun and the moon and the stars… which the Eternal thy G-d hath allotted unto all the peoples.160Deuteronomy 4:19. And this is what Scripture means when it says, He counteth the number of the stars; He giveth them all their names,161Psalms 147:4. likewise, He calleth them all by name.162Isaiah 40:26. For the calling of names signifies the differentiation in their respective powers, giving to this one the power of justice and righteousness, and to that one the power of blood and the sword, and similarly all other powers, as is known in astrology. And all is done by the power of the Most High and in accordance with His Will. Therefore it says, Great is our Lord, and mighty in power,163Psalms 147:5. for He is greatest of all and mightiest in power over them. And similarly it says, He calleth them all by name by the greatness of His might and the strength of His power.162Isaiah 40:26. In accord with the secret I have hinted to you, the matter of rulership is completely true.