The world is everything that is the case.
自由不过是变得更好的机会。
To write is to explore the unknown territories of the mind.
You are only as young as the last time you changed your mind.
The supreme happiness of life is the conviction that we are loved.
孔子说：“见到贤人，要向他看齐；见到不贤，要反省自己。”
历史学家的首要职责是忠于真相。