The biggest risk is not taking any risk... In a world that's changing really quickly, the only strategy that is guaranteed to fail is not taking risks.

永远不要投资于那些你无法用蜡笔解释清楚的想法。

Every building tells a story, and it is the architect's job to make sure it is a good one.

在数学中，你并不理解事物。你只是习惯了它们。