They know enough who know how to learn.

One does every day and without a second thought, what at another time would be the event of a year, perhaps of a life.

It is always good men who do the most harm in the world.

Some day science may have the existence of mankind in its power, and the human race commit suicide, by blowing up the world.

You may cut off the heads of every rich man now living--of every statesman--every literary, and every scientific authority, without in the least changing the social situation. Artists, of course, disappeared long ago as social forces. So did the church. Corporations are not elevators, but levellers, as I see them.

History is a tangled skein that one may take up at any point, and break when one has unravelled enough.

The great word Evolution had not yet, in 1860, made a new religion of history, but the old religion had preached the same doctrinefor a thousand years without finding in the entire history of Rome anything but flat contradiction.