«He is better known for what he has promised to the sciences than for what he as actually done for them.»

«I say it to thee again, and doubt never the contrary, that if it were the custom to put the little maidens to the school, and they were made to learn the sciences as they do to the men-children, that they should learn as perfectly, and they should be»

«It is the perennial youthfulness of mathematics itself which marks it off with a disconcerting immortality from the other sciences»

«Knowledge of the sciences is so much smoke apart from the heavenly science of Christ»

«Indubitably, Magic is one of the subtlest and most difficult of the sciences and arts. There is more opportunity for errors of comprehension, judgment and practice than in any other branch of physics.»

«If photography is allowed to stand in for art in some of its functions it will soon supplant or corrupt it completely thanks to the natural support it will find in the stupidity of the multitude. It must return to its real task, which is to be the servant of the sciences and the arts, but the very humble servant, like printing and shorthand which have neither created nor supplanted literature.»

«If I found any new truths in the sciences, I can say that they follow from, or depend on, five or six principal problems which I succeeded in solving and which I regard as so many battles where the fortunes of war were on my side.»

«FOOL, n. A person who pervades the domain of intellectual speculation and diffuses himself through the channels of moral activity. He is omnific, omniform, omnipercipient, omniscience, omnipotent. He it was who invented letters, printing, the railroad, the steamboat, the telegraph, the platitude and the circle of the sciences. He created patriotism and taught the nations war --founded theology, philosophy, law, medicine and Chicago. He established monarchical and republican government. He is from everlasting to everlasting --such as creation's dawn beheld he fooleth now. In the morning of time he sang upon primitive hills, and in the noonday of existence headed the procession of being. His grandmotherly hand was warmly tucked-in the set sun of civilization, and in the twilight he prepares Man's evening meal of milk-and-morality and turns down the covers of the universal grave. And after the rest of us shall have retired for the night of eternal oblivion he will sit up to write a history of human civilization.»

«If the study of all these sciences which we have enumerated, should ever bring us to their mutual association and relationship, and teach us the nature of the ties which bind them together, I believe that the diligent treatment of them will forward the objects which we have in view, and that the labor, which otherwise would be fruitless, will be well bestowed.»

«I have seen men incapable of the sciences, but never any incapable of virtue»