Another thing - Hallelujah. This is what the verse (Proverbs 31:26) means when it says, "She opens her mouth with wisdom, and the teaching of kindness is on her tongue." It took twenty-six generations from the time the world was created until the Israelites left Egypt and said Hallelujah. Once the Israelites left Egypt, which was like being released from bondage in mud and bricks, they said Hallelujah.
When did they say it? At the time of the plague of the firstborn. Pharaoh went to Moses and Aaron at night, as it says (Exodus 12:31), "Pharaoh called Moses and Aaron at night." Pharaoh knocked on Moses and Aaron's door at night, and they said to him, "Fool, at night we stand, and we are not thieves who would walk at night and leave in the morning.
We will wait until morning, for so the Lord said to us (Exodus 12:22), 'And you shall not go out, any man from the door of his house until morning.'" He said to them, "Behold, all the Egyptians have died," as it says (Exodus 33:4), "And the Egyptians were strong against the people." They said to him, "Do you want to stop this plague from yourself? Say, 'Behold, you are free men.
Behold, you are under your own authority. Behold, you are the servants of the Lord.'" Pharaoh began to scream and say, "You were slaves before, but now you are free men. You are under your own authority, and you are the servants of the Lord. You must praise Him," as it says, "Hallelujah, praise the servants of the Lord."