优化是在给定约束条件下做出最佳选择的艺术。
Science is not about control. It is about cultivating a perpetual condition of wonder in the face of something that forever grows one step richer and deeper than our latest theory about it.
However difficult life may seem, there is always something you can do and succeed at.
我们手里的金钱是保持自由的一种工具；我们所追求的金钱，则是使自己当奴隶的一种工具。
True leadership in energy means balancing today's needs with tomorrow's responsibilities.