The beauty of computational theory lies in its ability to abstract the complexities of the world into manageable and understandable models.

有人自认为在做有用的事，却收效甚微；有人看似在做“无用”之功却流芳后世，引为大用。

The purpose of business is to create value, not just to make a profit.

Drawing is rather like playing chess: your mind races ahead of the moves that you eventually make.