Being alone when one's belief is firm, is not to be alone.

Years teach us more than books.

What will people say-in these words lies the tyranny of the world, the whole destruction of our natural disposition, the oblique vision of our minds. These four words hold sway everywhere.

The little dissatisfaction which every artist feels at the completion of a work forms the germ of a new work.

What is all our knowledge worth? We do not even know what the weather will be tomorrow.

Only he is free who cultivates his own thoughts and strives without fear to do justice to them.

Liberty is from God; liberties, from the devil.