Know or listen to those who know.
Be kind whenever possible. It is always possible.
Only the educated are free.
Well done is better than well said.
Never complain and never explain.
Do not weep do not wax indignant. Understand.
It's always too early to quit.
Quality is not an act, it is a habit.
If you think you can do it, you can.
Without hard work, nothing grows but weeds.
Strange as it may seem, no amount of learning can cure stupidity, and formal education positively fortifies it.