"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."

Quality in materials reflects quality in character.

Immature poets imitate; mature poets steal.

最大的风险是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。

Local objections to quarries often stem from our industry's failure to demonstrate long-term value creation.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

 The tranquility of the soul is the greatest wealth.