Reason to rule, but mercy to forgive: the first is law, the last prerogative.
理性统治,但仁慈宽恕:前者是法律,后者是特权。
The documenta must always remain a question, never an answer.
Be the change you wish to see in the world.
【大意】说话一定要讲信用,约定了就一定要做到,这是天下的高尚行为。
真正的教师会保护学生免受他个人影响。
种树的最佳时间是25年前,第二好的时间是今天。