能源创新必须在环境责任与经济可行性之间取得平衡。

If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.

The best quarries leave not just holes in the ground, but value in communities.

Forests are the lungs of our planet; we must treat them with the respect they deserve.

诗歌是灵魂的语言。

创业就要像打麻将一样，要时刻保持兴奋和紧张感。

数学家的工作大多是孤独的追求，但它建立在许多其他人的工作之上。