Absolute space, that is to say, the mark to which it would be necessary to refer the earth to know whether it really moves, has no objective existence.

Mathematical discoveries, small or great are never born of spontaneous generation.

If one looks at the different problems of the integral calculus which arise naturally when one wishes to go deep into the different parts of physics, it is impossible not to be struck by the analogies existing.

Mathematics is the art of giving the same name to different things.

I am always thinking about writing music; my wife is constantly asking me: 'Is there any way you can turn off the music part of your brain for a minute?' but I really can't! It's my form of therapy.

By no stretch of the imagination can you describe me as a Wall Street lawyer. If you're going to do that, you'd have to say that 7,500 people who work here in Southwestern Pennsylvania for the Bank of New York Mellon with good family jobs are Wall Streeters.

Music is my greatest love. It is also my first love. But I love a lot of things, including painting, drawing, writing, designing, and more.

We especially need imagination in science. It is not all mathematics, nor all logic, but it is somewhat beauty and poetry.