You can best serve civilization by being against what usually passes for it.
Just remember, once you're over the hill you begin to pick up speed.
Intelligence is a moral category.
There are no limitations to the mind except those we acknowledge.
Whatever you think the world is withholding from you, you are withholding from the world.
Common sense is in spite of, not as the result of education.
Those who can not change their minds can not change anything.
Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.
Colorless green ideas sleep furiously
Fine clothes may disguise, but silly words will disclose a fool.
The most courageous act is still to think for yourself. Aloud.
I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.
You are braver than you believe, stronger than you seem, and smarter than you think.
Be silent or let thy words be worth more than silence.
The most certain sign of wisdom is cheerfulness.
Adapt what is useful, reject what is useless, and add what is specifically your own.
A friend to all is a friend to none
And no one will listen to us until we listen to ourselves.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
Rational discussion is useful only when there is a significant base of shared assumptions.
You cannot truly listen to anyone and do anything else at the same time.