Spotting the essence in seconds vs. a lifetime: fates diverge.

Those who grasp the essence of things in half a second are destined for a vastly different life than those who can never see through it all their lives.

Between people, even when faced with the same information, our ability to interpret it is inherently different.
In life, not all questions have answers.

When facing unsolvable problems, the sooner you realize they have no solution, the less you waste your limited life on them.
Wasting your life on unsolvable problems is daydreaming about utopia. Avoiding them and focusing your limited life on what can actually be solved—that's being pragmatic.
For example, trying to change others versus changing yourself.