The miller imagines that the corn grows only to make his mill turn.

Thinking is more interesting than knowing, but less interesting than looking.

Music is either sacred or secular. The sacred agrees with its dignity, and here has its greatest effect on life, an effect that remains the same through all ages and epochs. Secular music should be cheerful throughout.

Thinking is easy, acting is difficult, and to put one's thoughts into action is the most difficult thing in the world.

To think is easy. To act is hard. But the hardest thing in the world is to act in accordance with your thinking.

To live within limits. To want one thing. Or a few things very much and love them dearly. Cling to them, survey them from every angle. Become one with them - that is what makes the poet, the artist, the human being.

All our knowledge is symbolic.