"You have to be able to confront reality but also inspire hope."
The poor dream all their lives of getting enough to eat and looking like the rich. And what do the rich dream of? Losing weight and looking like the poor.
In mathematics, there are no shortcuts.
The secret of being miserable is to have leisure to bother about whether you are happy or not.
The existence of the natural world is the same kind of fact as the existence of any proposition.