Happiness has always seemed like a bluebird, and consists of moments.

Simplicity is the outward sign and symbol of depth of thought.

Only he who handles his ideas lightly is master of his ideas, and only he who is master of his ideas is not enslaved by them.

Anyone who reads a book with a sense of obligation does not understand the art of reading.

The three great American vices seem to be efficiency, punctuality, and the desire for achievement and success. They are the things that make the Americans so unhappy and so nervous.

The only test of a soul's salvation is its inward happiness.

A tendency to fly too straight at a goal, instead of circling around it, often carries one too far.