Bertrand Russell — "I am a mathematician and a logician, and I do not find it easy to be human."

"Love is wise; hatred is foolish."

"Marriage is for women the commonest mode of livelihood, and the total amount of undesired sex endured by women is probably greater in marriage than in prostitution."

"I hate the planet and the human race—I am ashamed to belong to such a species."

"To teach how to live without certainty, and yet without being paralysed by hesitation, is perhaps the chief thing that philosophy, in our age, can still do for those who study it."

"Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric."