The world is everything that is the case.

The more you learn, the more you know, the more you know, the more you forget. The more you forget, the less you know. So why bother to learn?

如果你想赢得诺贝尔奖，就不应该想着赢得诺贝尔奖。

世界是一本书，不旅行的人只读了一页。