Targum Pseudo-Jonathan on Genesis 9:15 is a verse that has carried comfort through every Jewish generation. I will remember My covenant which is between My Word and between you and every living soul of all flesh, that there shall not be the waters of a flood to destroy all flesh.
The verb is the one the sages meditate on. God remembers. Of course the Creator of the universe does not forget. The Jewish tradition reads the word zakhar, to remember, as an act of attention — a turning of the divine face toward the covenant precisely in the moment when we might be most afraid He has turned away.
Picture the scene. A heavy storm is rolling in. The sky darkens. The rain begins. For a moment, the old dread stirs — what if this is another mabul? And then a ribbon of color cuts across the cloud, and Torah says: the Holy One has just turned toward the sky, remembered the promise, and reassured the earth.
The Maggid notices that this is a covenant with a built-in emergency brake. Every time a storm begins to look like too much, the very shape of the storm reveals the limit.
The takeaway: our God is the God who binds Himself to remember. The rainbow is heaven's handwriting, reminding us that the storm has a ceiling.