优化是在给定约束条件下做出最佳选择的艺术。

I'm not a performer, I'm a composer.

Success in the energy industry is measured not just by profits, but by the positive impact we have on society.

我是个幸存者。我就像蟑螂，你就是摆脱不了我。

The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

文化是塑造行为并推动任何组织绩效的无形力量。