If you want to keep something precious, you have to lock it up and throw away the key.
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.
Success is doing what you want to do, when you want, where you want, with whom you want, as much as you want.
I'm interested in the way that women are perceived and how they perceive themselves.
基因组是古老智慧的图书馆。