"Irving Langmuir shows Whitney one of his inventions, the Pliotron tube, ca. 1920"

"Why doth one man's yawning make another yawn?"

"We have to re-invent socialism. It can’t be the kind of socialism that we saw in the Soviet Union, but it w…"

"The left are people with an imagination and the right are those without an imagination."

"We don't invent our missions, we detect them."

"3006. It is often easier to make new, than to cobble up the old."

": 原文: Humility makes great men twice honourable."