Moses
Exodus 13:6BSB·traditional attribution

For seven days you are to eat unleavened bread, and on the seventh day there shall be a feast to the LORD.

Matthew Henry Presbyterian @wholebiblehenry

Care is here taken to perpetuate the remembrance, I. Of the preservation of Israel's firstborn, when the firstborn of the Egyptians were slain. In memory of that distinguishing favour, and in gratitude for it, the firstborn, in all ages, were to be consecrated to God, as his peculiars (Exo 13:2), and to be redeemed, Exo 13:13.

Commenting on Exodus 13:1-10

John Gill Reformed Baptist @doctorgill

Seven days shalt thou eat unleavened bread,.... The Jews (y) gather from this place, and from Deu 16:8, that the obligation to eat unleavened bread lasted no longer than the first night of the seven days, but on the rest it was enough if they abstained from leavened bread, and it was lawful for them to eat of other food as they pleased; see Gill...

Jamieson-Fausset-Brown Reformed @jfbcommentary

MEMORIAL OF THE PASSOVER. (Exo 13:3-10) Moses said unto the people, Remember this day--The day that gave them a national existence and introduced them into the privileges of independence and freedom, deserved to live in the memories of the Hebrews and their posterity; and, considering the signal interposition of God displayed in it, to be held not only in perpetual, but devout remembrance.

Commenting on Exodus 13:3-10