Genesis 27:39 Kabbalah

וַיַּ֛עַן יִצְחָ֥ק אָבִ֖יו וַיֹּ֣אמֶר אֵלָ֑יו הִנֵּ֞ה מִשְׁמַנֵּ֤י הָאָ֙רֶץ֙ יִהְיֶ֣ה מֽוֹשָׁבֶ֔ךָ וּמִטַּ֥ל הַשָּׁמַ֖יִם מֵעָֽל׃

And Isaac his father answered and said unto him: Behold, of the fat places of the earth shall be thy dwelling, And of the dew of heaven from above;

Read kabbalistic (mystical) interpretation of Genesis 27:39: and classical mystical sources.