Nothing mattered except states of mind, chiefly our own.
It would not be foolish to contemplate the possibility of a far greater progress still.
A study of the history of opinion is a necessary preliminary to the emancipation of the mind.
Americans are apt to be unduly interested in discovering what average opinion believes average opinion to be.
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.
It is ideas, not vested interests, which are dangerous for good or evil.
Like Odysseus, the President looked wiser when he was seated.
