We are not born with courage, but neither are we born with fear.
The worst kind of arrogance is arrogance from ignorance.
Measure your emotions. You don't need an atomic explosion for a minor point.
Make sure what you do is a product of your own conclusion.
The word "tip" stands for "to insure promptness." So when should you give it? Up front,of course. Sophisticated people don't take chances on poor service, they insure good service.
It only takes one lie to taint your entire testimony in a court of law. Honesty is a vital part of having a good reputation.