Here are a few proverbs I think will be helpful:
“Two wrongs don't make a right." It teaches you that revenge isn’t going to correct the mistakes people made. It will make them worse.
"The pen is mightier than the sword."
Tells you that a path to non-violence is effective, and words can make more impact in history than war.
"The squeaky wheel gets the grease."
This proverb tells you that in order to make something happen, you have to do something to make it happen.
"No man is an island."
Two things: you can’t do everything alone; and you’re never alone.
"People who live in glass houses shouldn't throw stones."
Never throw criticism on anyone if you are flawed.
"Discretion is the greater part of valor."
Tells us that braveness is knowing when to retreat.
"You can't make an omelet without breaking a few eggs."Someone will always be mad at you, or will try to bring you down, but you just have to keep going.
"Practice makes perfect."
If you keep on sharpening your skills, you’ll become great at it.
"Don't bite the hand that feeds you."
Be thankful for the good things people did to you.
"You can't judge a book by its cover."
Things are not what they seem. Don’t judge someone because of their appeaance.
"Two heads are better than one."Cooperation makes the job easier.
"Do unto others as you would have them do unto you."Be kind to people, always.