Begin nothing without considering what the end may be.

One can never outlive one's vanity.

While conscience is our friend, all is at peace; however once it is offended, farewell to a tranquil mind.

General notions are generally wrong.

I am patriot enough to take pains to bring this usefull invention into fashion in England, and I should not fail to write to some of our Doctors very particularly about it, if I knew anyone of 'em that I thought had Virtue enough to destroy such a considerable branch of Revenue for the good of Mankind, but that Distemper is too beneficial to them not to expose to all their Resentment the hardy wight that should undertake to put an end to it.

I am in perfect health, and hear it said I look better than ever I did in my life, which is one of those lies one is always glad to hear.

There is nothing can pay one for that invaluable ignorance which is the companion of youth, those sanguine groundless hopes, and that lively vanity which makes all the happiness of life.