“For extending its sway, partly by force of arms, partly by the voluntary submission of weaker tribes, the community soon acquires wealth and slaves, both of which, by relieving some classes from the perpetual struggle for a bare subsistence, afford them an opportunity of devoting themselves to that disinterested pursuit of knowledge which is the noblest and most powerful instrument to ameliorate the lot of man.”

“Social responsibility above the level of family, or at most of tribe, requires imagination-- devotion, loyalty, all the higher virtues -- which a man must develop himself; if he has them forced down him, he will vomit them out.”

“Is science the disinterested pursuit of knowledge which the world may apply if it will? Or is it an activity always dependent upon economic and political demands?”

“That part of the judicial law whichwas typical of Christ's governmenthas ceased, but that part which is ofcommon and general equity remainsstill in force. It is a common maxim:those judgments which are commonand natural are moral and perpetual.”

“The crime which is done now is that war has made a tool and slave of science, and man's knowledge, painfully and laboriously compiled, is made the instrument of man's destruction.”

“Knowledge will forever govern ignorance, and a people who mean to be their own governors, must arm themselves with the power knowledge gives. A popular government without popular information or the means of acquiring it, is but a prologue to a farce or a tragedy or perhaps both”