自由不是没有主人,而是选择自己的主人。
To be free is not to have no master, but to choose your own.
The truth is rarely pure and never simple.
可持续性不是一种选择,而是我们对后代的责任。
真正的革命者是被伟大的爱所引导的。
耐心是一种美德,我正在学习耐心。这是一门艰难的课程。
The best time to plant a tree was 20 years ago. The second best time is now.