永远不要停止学习；世界总是在变化。
Never stop learning; the world is always changing.
真正的问题不是为什么有些人懒惰，而是为什么有些人在几乎必然导致懒惰的条件下却不懒惰。
我不害怕死亡，我害怕没有真正活过。
The moment you give up, is the moment you let someone else win.
I don't think about the past. The only thing that matters is the everlasting present.
The truth is like the sun. You can shut it out for a time, but it ain't goin' away.