WATER FROM THE ROCK AND VICTORY OVER AMALEK

Behold, I will stand before you there on the rock at Horeb; there you shall strike the rock, and water will come out of it, so that the people may [have something to] drink.” And Moses did so in the sight of the elders of Israel. So Joshua overwhelmed and defeated Amalek and his people with the edge of the sword.

MARAH’S WATER SWEETENED AND ELIM’S REST

Marah’s Waters Sweetened And Elim’s Rest. Then they came to Marah, but they could not drink its waters because they were bitter; therefore it was named Marah (bitter). Then the children of Israel came to Elim where there were twelve springs of water and seventy date palms, and they camped there beside the waters.

THE MURMURING PEOPLE ENCOURAGED

Then Moses said to the people, “Do not be afraid! Take your stand [be firm and confident and undismayed] and see the salvation of the LORD which He will accomplish for you today; for those Egyptians whom you have seen today, you will never see again.

PILLARS OF CLOUD AND FIRE

Pillars Of Cloud And Fire. The [presence of the] LORD was going before them by day in a pillar (column) of cloud to lead them along the way, and in a pillar of fire by night to give them light, so that they could travel by day and by night.
He did not withdraw the pillar of cloud by day, nor the pillar of fire by night, from going before the people.

THE FEAST OF UNLEAVENED BREAD

In the celebration of the Passover in future years,] seven days you shall eat unleavened bread, but on the first day you shall remove the leaven from your houses [because it represents the spread of sin]; for whoever eats leavened bread on the first day through the seventh day, that person shall be cut off and excluded from [the atonement made for] Israel.