"What is good is also divine. Queer as it sounds, that sums up my ethics. Only something supernatural can express the Supernatural."

"The aspects of things that are most important for us are hidden because of their simplicity and familiarity. (One is unable to notice something—because it is always before one's eyes.)"

"If people did not sometimes do silly things, nothing intelligent would ever get done."

"My fundamental conception is that the 'logical constants' are not representatives; that there can be no representatives of the logic of facts."

"What we cannot speak about we must pass over in silence."