The study of mathematics, like the Nile, begins in minuteness but ends in magnificence.

Dreams ought to produce no conviction whatever on philosophical minds. If we consider how many dreams are dreamt every night, and how many events occur every day, we shall no longer wonder at those accidental coincidences which ignorance mistakes for verifications.

The firmest of friendships have been formed in mutual adversity, as iron is most strongly united by the fiercest flame.

Many speak the truth when they say that they despise riches, but they mean the riches possessed by others.

When all run by common consent into vice, none appear to do so.

Make no enemies; he is insignificant indeed that can do thee no harm.

Avarice has ruined more men than prodigality, and the blindest thoughtlessness of expenditure has not destroyed so many fortunes as the calculating but insatiable lust of accumulation.