I can, therefore I am.
It's always too early to quit.
If you can dream it, you can do it.
Problems are not stop signs, they are guidelines.
Always desire to learn something useful.
The secret of getting ahead is getting started.
If you're going through hell, keep going.
If you've got a talent, protect it.
Expect problems and eat them for breakfast.
Begin to be now what you will be hereafter.
The attitude of physiological psychology to sensations and feelings, considered as psychical elements, is, naturally, the attitude of psychology at large.