自守表示的研究是数学抽象深度的反映。

化学的语言是通用的，超越了国界和文化。

"A personality is a full Congress of orators and pressure-groups, of children, demagogues, communists, isolationists, war-mongers, mugwumps, grafters, prayer-meetings, spiritualists, and astrologers."

The perfection of machinery is to produce the desired effect with the least possible friction and waste.

资本主义既不聪明，也不理性，更不公平。它是一个导致灾难的野蛮制度。