教育不是为生活做准备；教育本身就是生活。
我不害怕跌倒，因为我知道我会重新站起来。
The charm of study consists chiefly in the satisfaction which the mind experiences in acquiring knowledge.
The mind is a dynamic equilibrium of processes.
数学研究是一次进入未知的旅程，每一次发现都为新的谜题打开了大门。
"Writing is a way of life, a way of understanding the world and oneself."
The concept of law is essentially a matter of social fact.