The best advice I ever came across on the subject of concentration is: Wherever you are, be there.
Don't ask for life to be easy. Ask for it to be worth it.
Managers help people see themselves as they are; Leaders help people to see themselves better than they are.
Don't say, "If I could, I would." Say, "If I can, I will."
Success is doing ordinary things extraordinary well.
All disciplines affect each other. Mistakenly the man says, `This is the only area where I let down.` Not true. Every let down affects the rest. Not to think so is naive.