Only the educated are free.
The wise does at once what the fool does at last.
Be thine own palace, or the world's thy jail.
Problems are not stop signs, they are guidelines.
Well done is better than well said.
Expect problems and eat them for breakfast.
Wherever you are - be all there.
Always desire to learn something useful.
Never complain and never explain.
It's always too early to quit.
The attitude of physiological psychology to sensations and feelings, considered as psychical elements, is, naturally, the attitude of psychology at large.