Hume, David

"Constancy is the genius of patriotism."

"The business of the philosopher is to discover the origin of moral sentiments."

"I am at present engaged in an undertaking which highly interests me."

"We speak of being in love, as if it were a state we fall into by accident."

"Nothing is more surprising than the easiness with which the many are governed by the few."

"The question of whether there is a free will is of vital importance."

"Two sovereignties cannot exist in the same state."

"Sympathy is the source of moral sentiment, but it varies with proximity."

"The ordinary course of justice is not always just."

"Geometry is a science wherein knowledge can be communicated with certainty."

"The great difference between truth and falsehood lies in the strength of conviction."

"A man without friends is a man in a state of misery and wretchedness."

"There is a certain enthusiasm in pursuing one's principles, however absurd."

"We are moved by sympathy even toward those we have never seen."

"The notion of causation is not derived from reason, but from experience."

"Poetry gives us a key to the passions that history and philosophy cannot unlock."

"Reading, conversation and reflection constitute the most valuable education."

"The best and most refined taste is to be found in those who have most general knowledge."

"Violent antipathy is a sign of an extreme dissimilarity in our natural tempers."

"The vulgar systems of morality have often led men astray."

"Money is not the absolute good; it is only the instrument of pleasure."

"A wise man ought to adjust his behaviour to the circumstances in which he finds himself."

"The present lively impression of the senses is paramount to all other considerations."

"Greatness is more admired than loved."

"The cultivation of friendship is essential to human happiness."

"Life is neither long nor short, but only so in relation to our desires."

"The chief recommendation of virtues is their utility to the possessor or to society."

"Humility is often a cover for pride and arrogance."

"The human understanding is naturally inclined toward superstition."

"We ought never to make judgments about things distant and remote."