The right to search for truth implies also a duty.

What is this frog and mouse battle among the mathematicians?

Convictions can best be supported with experience and clear thinking.

My comprehension of God comes from a deeply felt conviction of a superior intelligence that reveals itself in the knowable world.

Nothing causes more consternation in a group of hypocrits than one honest man.

I must try, however, as best I can, although I am very conscious of the fact that our feelings and strivings are often contradictory and obscure and that they cannot be expressed in easy and simple formulas.

A ship is safe at shore but it's not built for that.