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.
生活是世界上最罕见的事情。大多数人只是存在，仅此而已。
The future of agriculture lies in the integration of technology and traditional farming.
我不是那种会让对磨砺的爱减少的人。
No president who performs his duties faithfully and conscientiously can have any leisure.
