A business that makes nothing but money is a poor business.

创新不仅仅是技术，更是改变思维方式和拥抱新的思考模式。

The universe would look to a two-dimensional creature who spend its life moving on the service of what turned out to be a globe， it could travel for millions of years and would always return to its starting point， it would never be conscious of what was above it or beneath it.

To solve a problem, one must first understand its nature and then find the right tools to tackle it.

A book is a version of the world. If you do not like it, ignore it; or offer your own version in return.

The truth is rarely pure and never simple.