人情像纸一样十分脆薄，世界上的事如棋局一样变化万千。
The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
The only person you are destined to become is the person you decide to be.
What I claim is to live to the full the contradiction of my time, which may well make sarcasm the condition of truth.
Anything you say before the word “but” does not count.
The dead are the most persistent historians.