Things do not happen. Things are made to happen.
Be kind whenever possible. It is always possible.
Be gentle to all and stern with yourself.
Be thine own palace, or the world's thy jail.
I can, therefore I am.
To know oneself, one should assert oneself.
If you've got a talent, protect it.
Well done is better than well said.
To be a good loser is to learn how to win.
You never know what motivates you.
The attitude of physiological psychology to sensations and feelings, considered as psychical elements, is, naturally, the attitude of psychology at large.