鉴前世之兴衰，考当今之得失。
译文：借鉴前代兴衰，考察当下得失。《通鉴》的写作宗旨，直指现实关怀。
A good book is a conversation between the author and the reader.
Believe you can and you're halfway there.
I try to make work that is open enough for people to bring their own meaning to it.
保持谦逊，保持渴望。
Morality is simply the attitude we adaptto people whom we personally dislike.
The future belongs to those who can master core technologies.
悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。