Quotation_auto_tanakh zu Bamidbar 3:58

This, my first born son, is the first issue of his mother's womb, and the Holy One, blessed is He has commanded to redeem him, as it is said: And those that are to be redeemed of them, from a month old shall you redeem them, according to your estimation, for the money of five silver shekalim, of the shekel of the Sanctuary which is equal to twenty geirah.¹Numbers 18:16. And it is said: Sanctify unto me all the firstborn, whatsoever opens the womb among the Children of Israel, both of man and of beast is Mine.²Exodus 13:2.

This, my first born son, is the first issue of his mother's womb, and the Holy One, blessed is He has commanded to redeem him, as it is said: And those that are to be redeemed of them, from a month old shall you redeem them, according to your estimation, for the money of five silver shekalim, of the shekel of the Sanctuary which is equal to twenty geirah.¹Numbers 18:16. And it is said: Sanctify unto me all the firstborn, whatsoever opens the womb among the Children of Israel, both of man and of beast is Mine.²Exodus 13:2.

Which do you prefer, to give me your firstborn son who is the first issue of his mother's womb, or would you rather redeem him for five shekalim, as you are required to do by the Torah?