You don't have to be noisy to be effective.
It is not possible to know what you need to learn.
When in doubt, delete it.
Successful people breed success.
Most things don't work like they are supposed to work.
Being convinced one knows the whole story is the surest way to fail.
You are going to be measured anyway by some means, fair or foul. Usually the one doing the measuring has nothing specific in mind; so he does it by the seat of his pants. Careers are destroyed in this manner.
Selecting the right person for the right job is the largest part of coaching.
The great discoveries are usually obvious.
