The unity of mathematics is not an illusion but a reality waiting to be uncovered.

I don't work with ideas, I work with materials.

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

"We are all prisoners of our own memories, and the past is a jail from which we can never escape."

"Courage is not the absence of fear, but the triumph over it."