Exodus 13:9

“So I will stretch out My hand and strike Egypt with all My wondrous deeds which I shall do in the midst of it; and after that he will let you go.

“But Pharaoh will not listen to you. And I will set My hand upon Egypt and bring out My hosts, My people the sons of Israel, from the land of Egypt by great judgments.

‘Now this day will be a memorial to you, and you shall celebrate it as a feast to Yahweh; throughout your generations you are to celebrate it as a perpetual statute.

“And it will be when your son asks you in time to come, saying, ‘What is this?’ then you shall say to him, ‘With a strong hand Yahweh brought us out of Egypt, from the house of slavery.

“So it will be as a sign on your hand and as phylacteries between your eyes, for with a strong hand Yahweh brought us out of Egypt.”

“You shall bind them as a sign on your hand, and they shall be as phylacteries between your eyes.

“You shall therefore place these words of mine on your heart and on your soul; and you shall bind them as a sign on your hand, and they shall be as phylacteries between your eyes.

With a strong hand and an outstretched arm, For His lovingkindness endures forever.

“This one will say, ‘I am Yahweh’s’; And this one will call on the name of Jacob; And this one will write on his hand, ‘Belonging to Yahweh,’ And will name Israel’s name with honor.

“But they do all their deeds to be noticed by men; for they broaden their phylacteries and lengthen the tassels of their garments.