Education is the most powerful weapon which you can use to change the world.
Somewhere, something incredible is waiting to be known.
Never memorize something that you can look up.
The test of a first rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
The hour of departure has arrived, and we go our ways. I to die, and you to live. Which is better God only knows.
Never mistake motion for action.
A man who dares to waste one hour of time has not discovered the value of life.
The intuitive mind is a sacred gift – and the rational mind is a faithful servant. – We have created a society that honors the servant – and has forgotten the gift.
Everyone you meet always asks if you have a career, are married, or own a house as if life was some kind of grocery list. But no one ever asks you if you are happy.
Rationality attracts conscientious humans, whereas mysticism attracts fools.