Some people come by the name of genius in the same way that certain insects come by the name of centipede -- not because they have a hundred feet, but because most people can't count above 14.

First there is a time when we believe everything, then for a little while we believe with discrimination, then we believe nothing whatever, and then we believe everything again - and, moreover, give reasons why we believe.

We can see nothing whatever of the soul unless it is visible in the expression of the countenance; one might call the faces at a large assembly of people a history of the human soul written in a kind of Chinese ideograms.

The man was such an intellectual he was of almost no use.

The human tendency to regard little things as important has produced very many great things.

The American who first discovered Columbus made a bad discovery.

Everyone is perfectly willing to learn from unpleasant experience - if only the damage of the first lesson could be repaired.