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.

我必须研究政治和战争，以便我的儿子们可以自由地研究数学和哲学。

If you're not failing every now and again, it's a sign you're not doing anything very innovative.

"In the silence of a scene, the truth of a character is often revealed."