Every great mathematical theory begins as a heresy and ends as a dogma.
International politics is a brutal and dangerous business, and it is likely to remain that way.
Sustainability is no longer an option; it's a business imperative.
江河不嫌弃用小溪的水来灌注自己，所以能汇成巨流。被称为圣人的人，不推辞难事，不违背自然规律，所以能成为名扬天下的大人物。
投资者应对任何声称有必胜方法击败市场的人持怀疑态度。
The gods have not revealed all things from the beginning to mortals, but, by seeking, men find out better in time.