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.

If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.

我宁愿没钱但快乐。

水的源头如果浑浊，那么水流就不可能清澈；言行不讲信用的，名声必然受到损害。

生命的最大用途是将其用于一些将超越它的事物。

In the semiconductor industry, falling behind one step may mean lagging behind for ten years.

精准农业不是在取代农民，而是在赋予他们力量。