Together with a culture of work, there must be a culture of leisure as gratification. To put it another way: people who work must take the time to relax, to be with their families, to enjoy themselves, read, listen to music, play a sport.

Often in the casual remarks of great men one learns their true mind in an intimate way.

A man can wear out a particular part of his mind by continually using and tiring it, just in the same way he can wear out the elbows of his coat.

The sky is not the limit. Your mind is.

Strong minds discuss ideas, average minds discuss events, weak minds discuss people.

Whoever controls the media, controls the mind.