Music is the only sensual pleasure without vice.

To strive with difficulties, and to conquer them, is the highest human felicity.

There can be no friendship without confidence, and no confidence without integrity.

Money and time are the heaviest burdens of life, and... the unhappiest of all mortals are those who have more of either than they know how to use.

Poverty has, in large cities, very different appearances; it is often concealed in splendour, and often in extravagance.

A man who both spends and saves money is the happiest man, because he has both enjoyments.

He that voluntarily continues in ignorance, is guilty of all the crimes which ignorance produces.