To me the external existence of my soul is proved from my idea of activity. If I work incessantly until my death, nature will give me another form of existence when the present can no longer sustain my spirit.

All the knowledge I possess everyone else can acquire, but my heart is all my own.

To tremble before anticipated evils is to bemoan what thou hast never lost.

It is bad governments, not bad people, who cause revolutions.

Man is a simple being, and however rich, varied, and unfathomable he may be, the cycle of his situations is soon run through.

He who has art and science also has religion, but those who do not have them better have religion.

There are three classes of readers; some enjoy without judgment; others judge without enjoyment; and some there are who judge while they enjoy, and enjoy while they judge. The latter class reproduces the work of art on which it is engaged. Its numbers are very small.