你比你想象的更有价值。

The world is like a chessboard， whereon we may see a living knight， but we cannot see a living chess.

尊崇贤人，不重女色；孝敬父母能够尽心尽力；侍奉君主能够舍生忘死；与朋友交往能够做到说话讲信用。这样的人，虽然说没有学习过做人的道理，但我却认为他学过了。

The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

数学真理是普遍而永恒的。