One never learns to understand truly anything but what one loves.

What is fruitful alone is true.

To understand one thing well is better than understanding many things by halves.

There is no patriotic art and no patriotic science.

The greatest step forward would be to see that everything factual is already theory. The blueness of the sky reveals the basic lawof chromatics. Don't look for anything behind the phenomena, they themselves are the doctrine.

Man supposes that he directs his life and governs his actions, when his existence is irretrievably under the control of destiny

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.