Mathematics is not just a language. Mathematics is a language plus reasoning.

I learned a lot of different things from different schools. MIT is a very good place…. It has developed for itself a spirit, so that every member of the whole place thinks that it’s the most wonderful place in the world—it’s the center, somehow, of scientific and technological development in the United States, if not the world … and while you don’t get a good sense of proportion there, you do get an excellent sense of being with it and in it, and having motivation and desire to keep on

Religion is a culture of faith; science is a culture of doubt.

Tell your son to stop trying to fill your head with science - for to fill your heart with love is enough!

While I am describing to you how Nature works, you won't understand why Nature works that way. But you see, nobody understands that.

So, ultimately, in order to understand nature it may be necessary to have a deeper understanding of mathematical relationships. But the real reason is that the subject is enjoyable, and although we humans cut nature up in different ways, and we have different courses in different departments, such compartmentaliz ation is really artificial, and we should take our intellectual pleasures where we find them.

I'd hate to die twice. It's so boring.