Be tough minded but tenderhearted.
Luck marches with those who give their very best.
Take care of your reputation. It's your most valuable asset.
People who accomplish big things did small things well.
Talent without discipline is like an octopus on roller skates. There's plenty of movement, but you never know if it's going to be forward, backwards, or sideways.
If you were to sell your character, would you get full retail or would it go for a bargain-basement price?