The wise does at once what the fool does at last.
Be gentle to all and stern with yourself.
If you're going through hell, keep going.
Things do not happen. Things are made to happen.
If you've got a talent, protect it.
If you think you can do it, you can.
Know or listen to those who know.
You never know what motivates you.
The secret of getting ahead is getting started.
By failing to prepare, you are preparing to fail.
The attitude of physiological psychology to sensations and feelings, considered as psychical elements, is, naturally, the attitude of psychology at large.