成功不是终点，失败也不是致命的：重要的是继续前进的勇气。
Success is not final, failure is not fatal: It is the courage to continue that counts.
Simplicity is not the goal. It is the by-product of a good idea.
Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.
我们都是自己的监狱，也是自己的狱卒。