Loneliness is the poverty of self; solitude is the richness of self.

The most important thing in mathematics is to ask the right questions.

The greatest risk is standing still while the world changes around us.

全球能源市场需要合作，而非对抗。

It is personalities, not principles, that move the age.

坚守道德底线，有时可能会遭受短暂的冷落；可那些依附权势利欲熏心的人，搞不好会万古凄凉。真正通达明理的人，不会囿于物质本身，而更在意身后的名誉。所以他们宁愿承受一时的冷落，也不愿遭受永久的凄凉。