"Knowledge is two-fold, and consists not only in an affirmation of what is true, but in the negation of that which is false"
"Happiness, that grand mistress of the ceremonies in the dance of life, impels us through all its mazes and meanderings, but leads none of us by the same route"
"If we steal thoughts from the moderns, it will be cried down as plagiarism; if from the ancients, it will be cried up as erudition"
"He that has energy enough to root out a vice should go further, and try to plant a virtue in its place"
"If a horse has four legs, and I'm riding it, I think I can win"
"I'm aiming by the time I'm fifty to stop being an adolescent"
"Friendship, of itself a holy tie, is made more sacred by adversity"
"Contemporaries appreciate the person rather than their merit, posterity will regard the merit rather than the person"
"Constant success shows us but one side of the world; adversity brings out the reverse of the picture"
"We hate some persons because we do not know them; and will not know them because we hate them"
"There is this difference between happiness and wisdom: he that thinks himself the happiest man, really is so; but he that thinks himself the wisest, is generally the greatest fool"
"The first requisite for success is the ability to apply your physical and mental energies to one problem incessantly without growing weary"
"Our incomes should be like our shoes; if too small, they will gall and pinch us; but if too large, they will cause us to stumble and to trip"
"None are so fond of secrets as those who do not mean to keep them"
"The society of dead authors has this advantage over that of the living: they never flatter us to our faces, nor slander us behind our backs, nor intrude upon our privacy, nor quit their shelves until we take them down"
"The firmest of friendships have been formed in mutual adversity, as iron is most strongly united by the fiercest flame"
"Nothing so completely baffles one who is full of trick and duplicity himself, than straightforward and simple integrity in another"
"In religion as in politics it so happens that we have less charity for those who believe half our creed, than for those who deny the whole of it"
"When millions applaud you seriously ask yourself what harm you have done; and when they disapprove you, what good"
"Wealth after all is a relative thing since he that has little and wants less is richer than he that has much and wants more"
