虽小道，必有可观者焉；致远恐泥，是以君子不为也。
即使是小小的技艺，也一定有值得一看的地方。但对于远大的事业恐怕有所阻碍，所以君子不去干这些。
A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.
It is absurd to divide people into good and bad. People are either charming or tedious.
To be happy, I must have my books and a piece of sky.
All things are subject to decay and when fate summons, monarchs must obey.
互联网改变了信息传播的方式，但人性从未改变。