... numbers have neither substance, nor meaning, nor qualities. They are nothing but marks, and all that is in them we have put into them by the simple rule of straight succession.

Symmetry, as wide or as narrow as you may define its meaning, is one idea by which man through the ages has tried to comprehend and create order, beauty and perfection.

Logic is the hygiene the mathematician practices to keep his ideas healthy and strong.

Besides language and music, mathematics is one of the primary manifestations of the free creative power of the human mind.

God exists because arithmetic is consistent - the Devil exists because we can't prove it!

Mathematics has the inhuman quality of starlight, brilliant and sharp, but cold.

Before one can generalize, formalize, and axiomatize, there must be a mathematical substance.

You can not apply mathematics as long as words still becloud reality.

Our mathematics of the last few decades has wallowed in generalities and formalizations.

In geometric and physical applications, it always turns out that a quantity is characterized not only by its tensor order, but also by symmetry.

A modern mathematical proof is not very different from a modern machine, or a modern test setup: the simple fundamental principles are hidden and almost invisible under a mass of technical details.

In my sleep I have my nightmares, awake I have my thoughts, I am not sure which is worse.

As it turned out, my greatest fear in life had become expectations.

The stage is a supplement to the pulpit, where virtue, according to Plato's sublime idea, moves our love and affection when made visible to the eye.

I will only do a Hollywood film when there is something special offered to me.

I know music is subjective.

My religion has no geographical limits.

The lyrics to me are a result of the emotional and creative climate present while making the record as well as personally going through a sort of mid-twenties stock-taking.

Why don't we have the chemistry that Leonardo DiCaprio and Kate Winslet had in Titanic? I'll tell you one reason: Because we're not in a movie!

Since they came in with the selfie, it's the worst thing. You hardly ever get asked for autographs any more. It's always selfies.

I believe that people of my income group should pay more, and I explained why, but that won't necessarily lift overall wage levels.