If we have never been amazed by the very fact that we exist, we are squandering the greatest fact of all.

Progress is the increasing control of the environment by life.

To seek, beneath the universal strife, the hidden harmony of things.

From barbarism to civilization requires a century; from civilization to barbarism needs but a day.

There is hardly an absurdity of the past that cannot be found flourishing somewhere in the present.

by and large the poor have the same impulses as the rich, with only less opportunity or skill to implement them

Those who know nothing about history are doomed forever to repeat it.