Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

You are the only real obstacle in your path to a fulfilling life.

Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.

胜绰不是不懂得这些道理，而是他把俸禄看得比义还重要。