"When a man teaches something he does not know to somebody else who has no aptitude for it, and gives him a certificate of proficiency, both parties are cheated."
Education
"The only service a friend can really render is to keep up your illusions."
Friendship
"Success does not consist in never making mistakes but in never making the same one a second time."
Success
"The liar's punishment is not in the least that he is not believed, but that he cannot believe anyone else."
Truth
"Assassination is the extreme form of censorship."
Freedom
"When you're in love you never really know whether you're happy because of him or because you're in love."
Love
"Do you know what a philosopher is? It is a man who is afraid."
Courage
"All censorships exist to prevent anyone from challenging current power structures."
Power
"I learned long ago that if one waits long enough, the problem that seemed insolvable will solve itself or cease to matter."
Patience
"The secret to my success is that I bit off more than I could chew and chewed as fast as I could."
Perseverance
"Life is not meant to be easy, my child; but take courage: it can be delightful."
Life
"The love scene should be the most sacred in a film or book, but it is usually the most degraded."
Art
"A man's consciousness is strengthened only by doubting."
Philosophy
"There are two tragedies in life. One is to lose your heart's desire. The other is to gain it."
Life
"Economy is the art of making the most of life."
Money
"Nature abhors a moron."
Nature
"The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time."
Wisdom
"Silence is a conspiracy of the comfortable against the uncomfortable."
Justice
"I have never admitted the right of an older generation to lord it over a younger one."
Freedom
"Anything that is worth doing has been done frequently. Things hitherto undone should be given, I suspect, a wide berth."
Adventure
"Science becomes dangerous when it imagines it has reached its goal."
Science
"The only way to achieve the impossible is to believe it possible."
Faith
"You cannot be a Power in the world while you are wage slaves to a capitalist class."
Politics
"Do not despair; and if you are wise you will never feel despair so long as you have a friend who believes in you."
Hope
"The greatest works are often produced under great stress."
Motivation
"Voting is a sort of gaming, like checkers or backgammon, with consequences."
Politics
"The moment we want to believe something, we suddenly see all the arguments for it, and become blind to the arguments against it."
Truth
"A perpetual holiday is a good working definition of hell."
Work
"The worst sin towards our fellow creatures is not to hate them, but to be indifferent to them."
Kindness
"Independence cannot be conferred as a gift; it must be achieved."
Freedom