Do not weep do not wax indignant. Understand.
Be gentle to all and stern with yourself.
Expect problems and eat them for breakfast.
To be a good loser is to learn how to win.
Only the educated are free.
The dog that trots about finds a bone.
Leap, and the net will appear.
I can, therefore I am.
Know or listen to those who know.
Problems are not stop signs, they are guidelines.
If you decide to design your own language, there are thousands of sort of amateur language designer pitfalls.