Risk comes from not knowing what you're doing.

The real and effectual discipline which is exercised over a workman is that of his customers.

尽管我们不被允许深入自然的奥秘并从中了解现象的真实原因，但某种虚构的假设可能足以解释许多现象。

Sustainability isn't an option; it's a necessity for the future of energy.

孤独不是他人的缺席，而是自我的缺失。