时间是一位伟大的老师，但不幸的是它杀死了所有的学生。
Time is a great teacher, but unfortunately it kills all its pupils.
The best art changes the way you see the world.
In the world of cryptography, the only secure system is the one that is never connected to any network.
Leadership is about making tough decisions with compassion.
人生是美好的。
