Never stop learning because the world never stops changing.
永远不要停止学习，因为世界永远不会停止变化。
If I waited for perfection, I would never write a word.
如果你无法飞翔，那就奔跑；如果你无法奔跑，那就快走；如果你无法快走，那就爬行。但无论如何，你必须继续前进。
We cannot always assure the future of our friends, but we have a better chance of assuring our future if we remember who our friends are.
不要让成功冲昏头脑，也不要让失败打击内心。