The great rule: If the little bit you have is nothing special in itself, at least find a way of saying it that is a little bit special.

If another Messiah was born he could hardly do so much good as the printing-press.

One must judge men not by their opinions, but by what their opinions have made of them.

The fly that doesn't want to be swatted is most secure when it lights on the fly-swatter.

To grow wiser means to learn to know better and better the faults to which this instrument with which we feel and judge can be subject.

Imagine the world so greatly magnified that particles of light look like twenty-four-pound cannon balls.

Cautiousness in judgment is nowadays to be recommended to each and every one: if we gained only one incontestable truth every ten years from each of our philosophical writers the harvest we reaped would be sufficient.