Before he sets out, the traveler must possess fixed interests and facilities to be served by travel.

Saints cannot arise where there have been no warriors, nor philosophers where a prying beast does not remain hidden in the depths.

Theory helps us to bear our ignorance of facts.

To be bewitched is not to be saved, though all the magicians and aesthetes in the world should pronounce it to be so.

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 aim of life is some way of living, as flexible and gentle as human nature; so that ambition may stoop to kindness, and philosophy to condor and humor. Neither prosperity nor empire nor heaven can be worth winning at the price of a virulent temper, bloody hands, an anguished spirit, and a vain hatred of the rest of the world.

Our occasional madness is less wonderful than our occasional sanity.