At present, intelligent people do not have their children vaccinated, nor does the law now compel them to. The result is not, as the Jennerians prophesied, the extermination of the human race by smallpox; on the contrary more people are now killed by vaccination than by smallpox.

Reviewing has one advantage over suicide: in suicide you take it out on yourself; in reviewing you take it out on other people.

The word morality, if we met it in the Bible, would surprise us as much as the word telephone or motor car.

You know well I couldn't bear to live with a low common man after you two; and it's wicked and cruel of you to insult me by pretending I could.

All progress depends on the unreasonable man.

A modern gentleman [rich person] is necessarily the enemy of his country. Even in war he does not fight to defend it, but to prevent his power of preying on it from passing to a foreigner.

My mother married a very good man ... and she is not at all keen on my doing the same.