"The only limit to our realization of tomorrow is our doubts of today."

The writer’s role is to question, not to comfort.

Innovation is the soul of an enterprise; without innovation, there is no future.

"The only thing that is infinite is the universe and human stupidity."

一本书是世界的一个版本。如果你不喜欢它，忽略它；或者提供你自己的版本作为回报。

The true cost of energy must account for both its production and its legacy.

Profitability and sustainability are not mutually exclusive—they must go hand in hand.