The self is not a solid thing but a collection of echoes.

I like everything that has no style: dictionaries, photographs, nature, myself and my paintings.

理论和实践的区别在于，理论上，理论和实践没有区别，但在实践中，却有区别。

The key to a successful database system is its ability to evolve with the changing needs of its users.

最大的压力是我给自己的压力。