I can, therefore I am.
Never complain and never explain.
Know or listen to those who know.
If you think you can do it, you can.
Only the educated are free.
Quality is not an act, it is a habit.
The dog that trots about finds a bone.
To be a good loser is to learn how to win.
By failing to prepare, you are preparing to fail.
Leap, and the net will appear.
I learned easily and had time to follow my inclination for sports (light athletics and skiing) and chemistry, which I taught myself by reading all textbooks I could get.