desirable quotes

I know that a sweet child is the sweetest thing in nature†but the prettier the kind of a thing is, the more desirable it is that it should be pretty of its kind.

- Charles Lamb
  Essays of Elia,'A Bachelor's Complaint of the Behaviour of Married People'.

The sole evidence it is possible to produce that anything is desirable, is that people do actually desire it.

-John Stuart Mill
  Utilitarianism, ch.4.