How do small children handle challenges?

How do small children handle challenges? – In many regards e.g. newborns are helpless, they depend on the parents and fully rely on them.

How do we as grown-ups handle the challenges of the world? Such as the challenges imposed by artificial intelligence, by robot soldiers, by all the evil going on in the world? In many regards we are helpless; and blessed is the person who accepts the dependence on the heavenly Father and fully relies on him.