Once we accept our limits, we go beyond them.
写作就是一场漫长的自我教育。
The most exciting moments in mathematics are when you see connections between things that seemed unrelated before.
唯一真正的力量是爱的力量。
孔子说：“品质恶劣的人，忍受不了贫穷，享受不了快乐。仁者安仁，智者利仁。”