"The strength of a man's virtue should not be measured by his special efforts, but by his ordinary doing."

"We make idols of truth itself; for truth apart from charity is not God, but his image and idol, which we must neither love nor worship."

"The more we know, the more we discover our ignorance."

"We must laugh at what we despise, and not at what we fear."

"The eternal silence of these infinite spaces frightens me."