Moses
Deuteronomy 16:11BSB·traditional attribution

and you shall rejoice before the LORD your God in the place He will choose as a dwelling for His Name—you, your sons and daughters, your menservants and maidservants, and the Levite within your gates, as well as the foreigner, the fatherless, and the widows among you.

John Calvin Reformed @genevareformer

11. And thou shalt require. On another ground he exhorts and excites them to willingness, because the service of God brings this rejoicing; for there is nothing which ought more to stimulate us to obedience, that when we know that God rather consults our good than seeks to obtain any advantage from us.

Matthew Henry Presbyterian @wholebiblehenry

Much of the communion between God and his people Israel was kept up, and a face of religion preserved in the nation, by the three yearly feasts, the institution of which, and the laws concerning them, we have several times met with already; and here they are repeated. I.

Commenting on Deuteronomy 16:1-17

John Gill Reformed Baptist @doctorgill

And thou shalt rejoice before the Lord thy God,.... Make a liberal feast, and keep it cheerfully, in the presence of God, in the place where he resides, thankfully acknowledging all his mercies and favours: thou, and thy son, and thy manservant, and thy maidservant, and the Levite that is within thy gates; that dwelt in the same city, who were all to come with...