You do not settle whether an argument is justified by merely showing that it is of some use. The distinction is not between useful and useless experiments but between barbarous and civilized behaviour. Vivisection is a social evil because if it advances human knowledge, it does so at the expense of human character.

Woman reduces us all to the common denominator.

The British churchgoer prefers a severe preacher because he thinks a few home truths will do his neighbors no harm.

Only fools repeat the same things over and over, expecting to obtain different results.

The reasonable man will adjust to the demands of his environment. The unreasonable man expects his environment to adjust to his own needs. Therefore, all progress depends upon the unreasonable man.

A gentleman is one who puts more into the world than he takes out.

Love is a simple thing and a deep thing: it is an act of life and not an illusion. Art is an illusion.