Flagrant evils cure themselves by being flagrant.

Men will die upon dogma but will not fall victim to a conclusion.

Nothing is more common than for men to think that because they are familiar with words they understand the ideas they stand for.

A science is not mere knowledge, it is knowledge which has undergone a process of intellectual digestion. It is the grasp of many things brought together in one, and hence is its power; for, properly speaking, it is Science that is power, not Knowledge.

Religion indeed enlightens, terrifies, subdues; it gives faith, it inflicts remorse, it inspires resolutions, it draws tears, it inflames devotion, but only for the occasion.

True religion is slow in growth, and, when once planted, is difficult of dislodgement; but its intellectual counterfeit has no root in itself: it springs up suddenly, it suddenly withers.

Lead, kindly light, amid the encircling gloom, lead thou me on.