The mind creates the abyss, the heart crosses it.
The appearance of water in a mirage persists after the fact that it is a mirage has dawned on us. So it is with the world.
Though knowing it to be unreal, it continues to manifest - but we do not try to satisfy our thirst with the water of the mirage.
As soon as one knows that it is a mirage, one gives it up as useless and does not run after it to get water.