The most dangerous phrase in business is "We've always done it this way."

The minimum content of natural law is necessary for the survival of any society.

不是有没有时间的问题，而是愿不愿意挤出时间的问题。

"The joy of discovery is certainly the liveliest that the mind of man can ever feel."

真正的科学进步需要创造力和纪律性。

光是建筑中最重要的材料。