Applying the axioms of physical science to human life has something reprehensible to it.

[Mystery] is the fundamental emotion that stands at the cradle of true art and true science.

Without the sense of fellowship with men of like mind... life would have seemed to me empty.

Common sense consists of those layers of prejudice laid down before the age of 18.

No scientist thinks in formulae.

In my view, it is the most important function of art and science to awaken this feeling and keep it alive in those who are capable of it.

It is nothing short of a miracle that modern methods of teaching have not yet entirely strangled that sacred spirit of curiosity and inquiry, for this delicate plant needs freedom no less than stimulation.