The intellect has little to do on the road to discovery. There comes a leap in consciousness, call it Intuition or what you will, the solution comes to you and you don't know how or why.
If A equals success, then the formula is A equals X plus Y and Z, with X being work, Y play, and Z keeping your mouth shut.
A calm and modest life brings more happiness than the pursuit of success combined with constant restlessness.
The fairest thing we can experience is the mysterious. It is the fundamental emotion which stands at the cradle of true art and science. He who knows it not and can no longer wonder, no longer feel amazement, is as good as dead, a snuffed-out candle.
Genius is 1% talent and 99% percent hard work...
I do not believe in immortality of the individual, and I consider ethics to be an exclusively human concern with no superhuman authority behind it.