The best way to predict the future is to invent it.

As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.

创新是区分领导者和追随者的关键。

"Words are, of course, the most powerful drug used by mankind."

It was the best of times, it was the worst of times.

性情圆融随和的人没有诡诈的神态，精明细心的人没有苛刻审查的心思，行为方正的人没有乖戾的行为，沉默的人没有陰险的手段，诚信笃实的人没有无能的牵累，光明正大的人没有肤浅的缺点，刚直的人没有性情上的偏失，果决的人没有拘泥的毛病，达练的人没有轻浮的外貌。