"We are all apt to think that the worst faults lie in other people and the best qualities in ourselves."
Wisdom
"If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have paradise in a few years."
Inspiration
"The concept of rape is inapplicable in a universe that runs by mechanical laws."
Philosophy
"Adventure should be part of every education."
Adventure
"In all this world there is no substitute for genuine, personal character."
Strength
"Achievement of your happiness is the only moral purpose of your life."
Success
"I wish to propose a doctrine which may, I fear, appear wildly paradoxical and subversive."
Philosophy
"The art of being wise is the art of knowing what to overlook."
Wisdom
"Many people would rather die than think, and most do."
Education
"What I tell you three times is true."
Humor
"The fundamental cause of trouble in the world today is that the stupid are cocksure while the intelligent are full of doubt."
Wisdom
"What is wanted is not the will to believe, but the wish to find out, which is the exact opposite of the will to believe."
Knowledge
"The good life is one inspired by love and guided by knowledge."
Life
"Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric."
Courage
"In all affairs it's a healthy thing now and then to hang a question mark on things you have long taken for granted."
Philosophy
"The only thing that will redeem mankind is cooperation."
Peace
"I would never die for my beliefs because I might be wrong."
Faith
"The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence."
Wisdom
"One should as a rule respect public opinion in so far as is necessary to avoid starvation and to preserve oneself, but anything that goes beyond this is voluntary submission to an unnecessary tyranny."
Freedom
"Education is the most powerful weapon which you can use to change the world."
Education
"Boredom is therefore a vital problem for the moralist, since at least half the sins of mankind are caused by the fear of it."
"The demand for certainty is one which is natural to man, but is nevertheless an intellectual vice."
Knowledge
"Mathematics, rightly viewed, possesses not only truth, but supreme beauty."
"What is wanted is not the will to believe, but the desire to find out."
Truth
"Fear is the principal emotion of the authoritarian character."
Fear
"Do not fear to be eccentric in your opinions, for every accepted opinion was once eccentric."
Change
"Science is what you know well enough to teach to a computer. Everything else is art."
Science
"Three passions have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind."
Life
"You should not believe anything without sufficient evidence."
Truth
"The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt."
Wisdom