Ask yourself whether you are happy and you cease to be so. The only chance is to treat not happiness, but some end external to it, as the purpose of life.

A great statesman is he who knows when to depart from traditions, as well as when to adhere to them.

Every great movement must experience three stages: ridicule, discussion, adoption.

To mistake money for wealth, is the same sort of error as to mistake the highway which may be the easiest way of getting to your house or lands, for the house and lands themselves.

It is a law, that every event depends on some law.

There is always need of persons not only to discover new truths, and point out when what were once truths are true no longer, but also to commence new practices, and set the example of more enlightened conduct, and better taste and sense in human life.

The fatal tendency of mankind to leave off thinking about a thing when it is no longer doubtful is the cause of half their errors.