Base yourself in loyalty and trust. Don't be companion with those who are not your moral equal. When you make a mistake, don't hesitate to correct it.
Never hesitate to ask a lesser person.
To know is to know that you know nothing. That is the meaning of true knowledge.
He who sling mud, lose ground.
You turn the handle the way it goes, not the way it ought to go
They who know the truth are not equal to those who love it, and they who love it are not equal to those who delight in it.