“so that We might make all this a [lasting] reminder to you all, and that every wide-awake ear might consciously take it in.”

(That We might make it) i.e. the ship of Noah; and it is said: this story (a memorial for you) an admonition so that you might learn a lesson, (and that remembering ears (that heard the story) might remember) might benefit from it; and it is also said that this means: so that a retentive heart might remember it.