There is no dunce like a mature dunce.

Bid, then, the tender light of faith to shine By which alone the mortal heart is led Unto the thinking of the thought divine.

Catastrophes come when some dominant institution, swollen like a soap-bubble and still standing without foundations, suddenly crumbles at the touch of what may seem a word or idea, but is really some stronger material source.

The Bible is literature, not dogma.

Intolerance is a form of egotism, and to condemn egotism intolerantly is to share it.

The mind of the Renaissance was not a pilgrim mind, but a sedentary city mind, like that of the ancients.

Do not have evil-doers for friends, do not have low people for friends: have virtuous people for friends, have for friends the best of men.