Qualities I sought in a scientific theory were naturalness, inner perfection and logical simplicity from an aesthetic approach.

Gravitation is not responsible for people falling in love.

Life is like riding a bicycle. To keep your balance, you must keep moving.

Life isn't worth living, unless it is lived for someone else.

Imagination is everything. It is the preview of life's coming attractions.

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

Strive not to be a success, but rather to be of value.

The true sign of intelligence is not knowledge but imagination.

God is clever but not dishonest.

Try not to become a man of success but rather a man of value.

Weakness of attitude becomes weakness of character.

We're only happy--truly happy--when it's forever after, but only children live in a world where things can last forever.

People shouldn't question their desires. They should do what they want.

God may save all, but human rescue is only for a few.

And harmony means that the relationship between all the elements used in a composition is balanced, is good.

I've gone for each type: the rough guy; the nerdy, sweet, lovable guy; and the slick guy. I don't really have a type. Men in general are a good thing.

I never knew Steve Jobs. I met him once, but I never knew him. But growing up in the Silicon Valley, he was the hero. He was the guy.

You will get your difficulties with the point electron.

I just like being a social experiment sometimes. I really should not be allowed in public. But I just go out into the public just to see people's reaction.

I think we certainly benefit from social institutions which encourage us towards moral behavior. It's very important to have law. It's very important to have a moral education.

I love the truth. It's the facts I'm not a fan of.