心灵就是一切。你想什么，就会成为什么。

船舶自动转向的引入是一个具有重大实际意义的问题，其解决需要开发一种新型控制器。

追求知识是一生的旅程。

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.

独居的好处是你不需要考虑任何人。