世界上没有任何力量能够粉碎真理和思想的力量。

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.

页岩革命将美国转变为全球能源领导者。

知识的增长是解决问题的关键。

通过反思来获得智慧。