John Gills Exposition of the Bible Commentary - Deuteronomy 15:19
All the firstling males that come of thy herd, or of thy flock, thou shalt sanctify unto the Lord thy God ,.... According to the law in Exodus 13:2 . See Gill on Exodus 13:2 ; See Gill on Exodus 13:12 ; See Gill on Exodus 13:13 , thou shalt do no work with the firstling of thy bullock : as to plough or tread out the corn with it, which were done with other heifers: nor shear the firstling of thy sheep ; nor was the wool shorn of it to be made use of; one of the Jewish canons... read more
Matthew Henry's Complete Commentary - Deuteronomy 15:19-29
Here is, 1. A repetition of the law concerning the firstlings of their cattle, that, if they were males, they were to be sanctified to the Lord (Deut. 15:19), in remembrance of, and in thankfulness for, the sparing of the first-born of Israel, when the first-born of the Egyptians, both of man and beast, were slain by the destroying angel (Exod. 13:2, 15); on the eighth day it was to be given to God ( Exod. 22:30), and to be divided between the priest and the altar, Num. 18:17, 18. 2. An... read more