Exodus 34:20

Now the firstling ¹  of a donkey you may redeem with a lamb, but if you do not redeem it, then break its neck. ²  You must redeem all the firstborn of your sons. “No one will appear before me empty-handed. ³ 

Ex 13:10; Ex 13:15; Ex 23:15; Nu 3:45-51; Nu 18:15; De 16:16; 1Sa 9:7,8; 2Sa 24:24

¹ tn Heb “and the one that opens [the womb of] the donkey.”

² sn See G. Brin, “The Firstling of Unclean Animals,” JQR 68 (1971): 1-15.

³ tn The form is the adverb “empty.”