A man's behavior is the index of the man, and his discourse is the index of his understanding.

Never explain yourself to anyone, because the one who likes you would not need it, and the one dislikes you wouldn't believe it.

Body is purified by water. Ego by tears. Intellect is purified by knowledge. And soul is purified with love.

Be like a flower that gives its fragrance even to the hand that crushed it.

Never make a decision in anger and never make a promise in happiness.

A hopeless man sees difficulties in every chance, but a hopeful person sees chances in every difficulty.

Beautiful people are not always good, but good people are always beautiful.

The worst of our faults is our interest in other people's faults.

People are of two types, they are either your brothers in faith or your equals in humanity.

Hide the good you do, and make known the good done to you.

There are three signs of a knowledgeable person: knowledge, forbearance and silence.

Luck often sides with the able.

Exaggeration misleads the credulous and offends the perceptive.

I like cups of tea and reading books and poetry and old people things.

A research problem is not solved by apparatus; it is solved in a man's head.

I've never done well when I've been appreciated. I've done best when I'm targeted for death.

I had the realization that hunger is not caused by scarcity of food, it is caused by the production system and an absence of democracy throughout the world.

Time and space, and freedom. That's what I want most. Isn't that true for all of us?

There are two types of people in the business community: those who produce results and those who give you reasons why they didn't.

Science coverage could be improved by the recognition that science is timeless, and therefore science stories should not need to be pegged to an item in the news.

New York seems very very foreign to me, like more foreign than almost anywhere in America, and almost anywhere in the world, I find it like one of the most overwhelming places.