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.

数学的历史是人类心灵独创性和创造力的证明。

"To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment."

我不觉得我必须成为名人马戏团的一部分。

Stop helping God across the road like a little old lady.

总的来说，金融体系从社会中减去价值。