An arrow has one motion and the mind another. Even when pausing, even — Marcus Aurelius

"Let no act be done at haphazard, nor otherwise than according to the finished rules that govern its kind."

"The ruling power within, when it is in its natural state, is so related to outer circumstances that it easily changes to accord with what can be done and what is given it to do."

"By a tranquil mind I mean nothing else than a mind well ordered."

"Nothing earthly succeeds by ignoring heaven, nothing heavenly by ignoring the earth. (Hays translation)"

"Self-control and resistance to distractions. Optimism in adversity—especially illness. (Hays translation)"

"Thou mayest foresee... the things which will be. For they will certainly be of like form, and it is not possible that they should deviate from the order of things now: accordingly to have contemplated human life for forty years is the same as to have contemplated it for ten thousand years."

"The absolute requisites for the study of this work... are a knowledge of algebra to the binomial at least, plane and solid geometry, plane trigonometry, and the most simple part of the usual applications of algebra to geometry. ...A. De Morgan. London July 1, 1836"

"Captain Littlepage had overset his mind with too much reading."

"What say you? It is useless? Ay, I know But who fights ever hoping for success? I fought for lost cause, and for fruitless quest! You there, who are you! — You are thousands! Ah! I know you now, old enemies of mine! Falsehood! Have at you! Ha! and Compromise! Prejudice, Treachery! … Surrender, I? Parley? No, never! You too, Folly, — you? I know that you will lay me low at last; Let be! Yet I fall fighting, fighting still!"

"Ive been taking a closer look at these graduates. They are actually taller, stronger, smarter than we were, smart enough maybe to take our mistakes as their messages, to make our weaknesses their lessons, and to make our example — good and not so good — part of their education."

"In short, it is not merely that Johnny cant read, or even that Johnny cant think. Johnny doesnt know what thinking is, because thinking is so often confused with feeling in many public schools. [emphasis in the original]"

"Bigotry is the disease of ignorance, of morbid minds; enthusiasm of the free and buoyant. Education & free discussion are the antidotes of both."