The precepts contained in these verses are, for the most part, identical in substance with some of those which follow the Ten Commandments and are …

The firstling of an ass. —See Notes 1-3 on Exodus 13:13.

Every firstling of an ass you shall redeem
This goes along with the former, (See Gill on Exodus 13:13):

Once a week they must rest, even in plowing time and in harvest. All worldly business must give way to that holy rest; even harvest work will prosp…