Exodus 23:15
“Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt: and none shall appear before me empty:)”
And in all things that I have said unto you be circumspect: and make no mention of the name of other gods, neither let it be heard out of thy mouth.
Three times thou shalt keep a feast unto me in the year.
Thou shalt keep the feast of unleavened bread: (thou shalt eat unleavened bread seven days, as I commanded thee, in the time appointed of the month Abib; for in it thou camest out from Egypt: and none shall appear before me empty:)
And the feast of harvest, the firstfruits of thy labours, which thou hast sown in the field: and the feast of ingathering, which is in the end of the year, when thou hast gathered in thy labours out of the field.
Three times in the year all thy males shall appear before the Lord God.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“But he answered and said, It is written, Man shall not live by bread alone, but by every word that proceedeth out of the mouth of God.”
“And because he saw it pleased the Jews, he proceeded further to take Peter also. (Then were the days of unleavened bread.)”
“Seven days shall there be no leaven found in your houses: for whosoever eateth that which is leavened, even that soul shall be cut off from the congregation of Israel, whether he be a stranger, or born in the land.”
“This day came ye out in the month Abib.”
“This month shall be unto you the beginning of months: it shall be the first month of the year to you.”