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

Of all studies, the one he would rather have avoided was that of his own mind. He knew no tragedy so heartrending as introspection.

The woman who is known only through a man is known wrong.

I think that Lee should have been hanged. It was all the worse that he was a good man and a fine character and acted conscientiously... It's always the good men who do the most harm in the world.

The social side of Washington was to be taken for granted as three-fourths of existence. Politics and reform became the detail, and waltzing the profession

Knowledge of human nature is the beginning and end of political education.

In practice, such trifles as contradictions in principle are easily set aside; the faculty of ignoring them makes the practical man.