“Two wrongs don't make a right, but they make a good excuse.”

“People often say that this or that person has not yet found himself. But the self is not something one finds, it is something one creates.”

“In the animal kingdom, the rule is, eat or be eaten; in the human kingdom, define or be defined.”

“Doubt is to certainty as neurosis is to psychosis. The neurotic is in doubt and has fears about persons and things; the psychotic has convictions and makes claims about them. In short, the neurotic...”

“It is the lot of mankind to feel not only insecure but also bored. To combat that experience, people long to be passively entertained, which requires less effort than assuming responsibility for se...”

“Once a person has made some sort of stable, symbolic connection between two things, the connection will influence his subsequent behavior and will generate its own 'proof.' This is why it is idle a...”

“Make a liberty without the instinctive duress.”

“If all mankind minus one, were of one opinion, and only one person were of the contrary opinion, mankind would be no more justified in silencing that one person, than he, if he had the power, would...”

“The will of the people, moreover, practically means the will of the most numerous or the most active part of the people; the majority, or those who succeed in making themselves accepted as the majo...”

“The study of Nature makes a man at last as remorseless as Nature.”

“I told her how many things on earth have a fixed colour. Let us say, the green leaves. In our eyes, a red or a yellow leaf is beautiful. Even better if the leaf is shaded in several hues. So we pai...”

“The first objection is that it is rubbish to talk about natural meanings and purposes, because we merely imagine such things. According to the objector's way of thinking, meanings and purposes aren...”