What is this frog and mouse battle among the mathematicians?

[i.e. Brouwer vs. Hilbert]

What is this frog and mouse battle among the mathematicians?

[i.e. Brouwer vs. Hilbert]

In H. Eves Mathematical Circles Squared Boston: Prindle, Weber and Schmidt, 1972.

[About Newton]

Nature to him was an open book, whose letters he could read without effort.

In G. Simmons Calculus Gems, New York: McGraw Hill, 1992.

As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.

In J. R. Newman (ed.) The World of Mathematics, New York: Simon and Schuster, 1956.

How can it be that mathematics, being after all a product of human thought independent of experience, is so admirably adapted to the objects of reality?

Common sense is the collection of prejudices acquired by age eighteen.

In E. T. Bell Mathematics, Queen and Servant of the Sciences. 1952.

God does not care about our mathematical difficulties. He integrates empirically.

L. Infeld Quest, 1942.

The bitter and the sweet come from the outside, the hard from within, from one's own efforts.

Out of My Later Years.

The most beautiful thing we can experience is the mysterious. It is the source of all true art and science.

What I Believe.

I don't believe in mathematics.

Quoted by Carl Seelig. Albert Einstein.

Imagination is more important than knowledge.

On Science.