We must distinguish between felicity and prosperity; for prosperity leads often to ambition, and ambition to disappointment; the course is then over, the wheel turns round but once, while the reaction of goodness and happiness is perpetual.

Wisdom consisteth not in knowing many things, nor even in knowing them thoroughly; but in choosing and in following what conduces the most certainly to our lasting happiness and true glory.

Cats like men are flatterers.

Every sect is a moral check on its neighbour. Competition is as wholesome in religion as in commerce.

We enter our studies, and enjoy a society which we alone can bring together. We raise no jealousy by conversing with one in preference to another; we give no offence to the most illustrious by questioning him as long as we will, and leaving him as abruptly. Diversity of opinion raises no tumult in our presence: each interlocutor stands before us, speaks or is silent, and we adjourn or decide the business at our leisure.

We must distinguish between felicity and prosperity; for prosperity leads often to ambition, and ambition to disappointment; the course is then over, the wheel turns round but once, while the reaction of goodness and happiness is perpetual.

It has been my fortune to love in general those men most who have thought most differently from me, on subjects wherein others pardon no discordance. I think I have no more right to be angry with a man, whose reason has followed up a process different from what mine has, and is satisfied with the result, than with one who has gone to Venice while I am at Siena, and who writes to me that he likes the place.