A man is not little when he finds it difficult to cope with circumstances, but when circumstances overmaster him.

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

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.

Objects in pictures should so be arranged as by their very position to tell their own story.

All that is alive tends toward color, individuality, specificity, effectiveness and opacity. All that is done with life inclines toward knowledge, abstraction, generality transfiguration and transparency.

If you start to think of your physical and moral condition, you usually find that you are sick.

Treat people the way they are and they will stay that way. Treat people the way they can become and they will become that way.