So next time someone complains that you have made a mistake, tell him that may be a good thing. Because without imperfection, neither you nor I would exist.

Time can behave like another direction in space under extreme conditions.

Intelligence is the ability to adapt to change.

So remember to look up at the stars and not down at your feet. Try to make sense of what you see and hold on to that childlike wonder about what makes the universe exist.

The thing about smart people is that they seem like crazy people to dumb people.

It is all right to make mistakes; nothing is perfect because with perfection, we would not exist.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

People won't have time for you if you are always angry or complaining.

It is reasonable to ask who or what created the universe, but if the answer is God, then the question has merely been deflected to that of who created God.

It is very important for young people keep their sense of wonder and keep asking why.

The development of full artificial intelligence could spell the end of the human race.

Sometimes, people don’t need our monies and our treasures. All they need is our encouragements to give them hope.

There are reasons why it is often difficult to reach our dead. When we do, our lives and everything we believe to be true can be turned entirely upside down.

Boys are raw materials that women manufacture into products called men.

Purity of personal life is the one indispensable condition for building up a sound education.

To be who you are and become what you are capable of is the only goal worth living.

If the national mind of America be judged of by its legislation, it is of a very high order ... If the American nation be judged of by its literature, it may be pronounced to have no mind at all.

I can imagine no society which does not embody some method of arbitration.

Though I feared I would have no progress when I put down the drink, [my writing] hasn't changed. The creative search, and the fragments that I collect, reflects that.

I have spoken to Einstein and he admitted to me that his theory was in fact no different from the one of Parmenides.

The thing you always have to remember is, you look at people and they might look like a failure but there's often a narrow thing they do very well.