A country's greatness, sacrifice and love depend on the values of the country that it holds.

For a successful revolution it is not enough that there is discontent. What is required is a profound and thorough conviction of the justice, necessity and importance of political and social rights.

The roots of all goodness lie in the soil of appreciation for goodness.

Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Everything should be made as simple as possible, but not simpler.

Most people spend more time and energy going around problems than in trying to solve them. 

I don't think I've ever worked so hard on something, but working on Macintosh was the neatest experience of my life. Almost everyone who worked on it will say that. None of us wanted to release it at the end. It was as though we knew that once it was out of our hands, it wouldn't be ours anymore.

Because of lack of moral principle, human life becomes worthless. Moral principles, truthfulness, is a key factor. If we lose that, then there is no future.

If you want to increase your success rate, double your failure rate. 

Do I not destroy my enemies when I make them my friends?

A dream doesn't become reality through magic; it takes sweat, determination and hard work. 

There could be no fairer destiny for any physical theory than that it should point the way to a more comprehensive theory in which it lives on as a limiting case.