“Three-quarters of the sicknesses of intelligent people come from their intelligence. They need at least a doctor who can understand this sickness
“Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less
“There are those who believe something, and therefore will tolerate nothing; and on the other hand, those who tolerate everything, because they believe nothing
“A man who pretends to understand women is bad manners. For him to really to understand them is bad morals.
“Love. The reason I dislike that word is that it means too much for me, far more than you can understand
“Mathematicians are like Frenchmen: whatever you say to them, they translate it into their own language, and forthwith it means something entirely different
“I shall argue that strong men, conversely, know when to compromise and that all principles can be compromised to serve a greater principle