消化管代表了一条穿过整个生物体的管道。

Your time is limited, so don’t waste it living someone else’s life.

The desires， and other passions of man， in themselves， are in his own power； his real difficulties are， to know when they are to be controlled， and when not.

如果你不愿意失败，你就没有准备好成功。

卧室里的哲学家与夜总会里的哲学家一样荒谬滑稽。

责任感就是对自己责任的热爱。