I have often reaped what others have sowed. My work is the work of a collective being that bears the name Goethe.

Whoso is content with pure experience and acts upon it has enough of truth.

But the valid issue is the extent to which man knows how to form and master the material at his command.

As man is, so is his God. And thus is God oft strangely odd.

First let a man teach himself, and then he will be taught by others.

There is no patriotic art and no patriotic science.

Hypotheses are only the pieces of scaffolding which are erected round a building during the course of construction, and which are taken away as soon as the edifice is completed.