Mozart's music is so pure and beautiful that I see it as a reflection of the inner beauty of the universe.

Out of complexity, find simplicity!

A finely tempered nature longs to escape from the personal life into the world of objective perception and thought.

Earnestly I must exert myself in order to return as much as I have received.

But nature did not deem it her business to make the discovery of her laws easy for us.

An oligarchy of private capital cannot be effectively checked even by a democratically organized political society because under existing conditions, private capitalists inevitably control, directly or indirectly, the main sources of information.

The most evident difference springs from the important part which is played in man by a relatively strong power of imagination and by the capacity to think, aided as it is by language and other symbolically devices.