Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.

Hope that justice will be done to those brave men who stood up for their convictions.

Pure mathematics is, in its way, the poetry of logical ideas. ... [By seeking] logical beauty spiritual formulas are discovered necessary for the deeper penetration into the laws of nature.

Opinions about obviousness are to a certain extent a function of time.

God doesn't; shoot crap with the universe.Your innermost thoughts are beliefs that unfold as your universe.

I believe that the first step in the setting of a real external world is the formation of the concept of bodily objects and of bodily objects of various kinds.

I believe that whatever we do or live for has its causality; it is good, however, that we cannot see through to it.