In this autumn of 1919, in which I write, we are at the dead season of our fortunes.

Worldly wisdom teaches that it is better for reputation to fail conventionally than to succeed unconventionally.

When my information changes, I alter my conclusions. What do you do, sir?

Dangerous acts can be done safely in a community which thinks and feels rightly, which would be the way to hell if they were executed by those who think and feel wrongly.

Once we allow ourselves to be disobedient to the test of an accountant's profit, we have begun to change our civilization.

The disruptive powers of excessive national fecundity may have played a greater part in bursting the bonds of convention than either the power of ideas or the errors of autocracy.

The biggest problem is not to let people accept new ideas, but to let them forget the old ones.