God could not be everywhere, and therefore he made mothers.

The future of energy lies in diversification and adaptability.

Innovation comes from saying no to a thousand things to focus on the few that really matter.

战争是黑暗的，但有时它是我们唯一的光。

真正的冲突在于个人的权利和社会的权利之间。

一个好的数学家是能看到定理之间类比的人；一个伟大的数学家是能看到类比之间的类比的人。