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。