"Newton did not know what happened to..." - Quote by Albert Einstein

“Time is relative; its only worth depends upon what we do as it is passing.”

“Only a monomaniac gets anything done.”

“Curiosity has its own reason for existence.”

“Critics, mathematicians, scientists and busybodies want to classify everything, marking the boundaries and limits... In art, there is room for all possibilities.”

“[Melinda Gates] is a lot of fun to work with. There's some of the people skills that she's better at and cares about more. It'd be a mistake not to think of her as very numerical and interested in the science. I enjoy, if I get ahead of her, say, understanding the immune system, then we can spend a few hours, where I'm going through how amazing it is and interesting, and how that affects our creating new products, so I've always had a partner.”

“All religions, arts and sciences are branches of the same tree. All these aspirations are directed toward ennobling man's life, lifting it from the sphere of mere physical existence and leading the individual towards freedom.”

“I have little feet because nothing grows in the shade.”

“To be a successful father... there's one absolute rule: when you have a kid, don't look at it for the first two years.”

“The United States is a land of free speech. Nowhere is speech freer - not even here where we sedulously cultivate it even in its most repulsive form.”