"A book is a door. You open it. You step through."

在科学中，重要的不是获得新的事实，而是发现思考它们的新方法。

教育是老年人的最佳粮食。

The human heart, at whatever age, opens only to the heart that opens in return.

In computing, invariants are ephemeral.

你越努力，就越幸运。