年轻时，你以为世界是一个可以随心所欲生活的地方。但随着年龄增长，你意识到世界是一个你必须按照必须的方式生活的地方。
When you are young, you think that the world is a place where you can live as you choose. But as you get older, you realize that the world is a place where you have to live as you must.
释义：别人称赞我，不值得高兴；别人批评我，也不值得生气。
每一本书都是一扇通往未知世界的门，一次探索未知的邀请。
Sustainability is no longer an option; it's a responsibility we owe to future generations.
You can't build any kind of organization if you're not going to surround yourself with people who have experience and skill base beyond your own.
