The rewards for being sane may not be very many but knowing what's funny is one of them.

-Amis, Sir Kingsley
  Stanley and the Women, ch.2.

Randolph and the Mahdi have occupied my thoughts about equally. The Mahdi pretends to be half mad, but is very sane in reality. Randolph occupies exactly the converse position.

-of Salisbury
  Of Lord Randolph Churchill. Letter to Lady John Manners, May.

   Women were expected to have weak opinions; but the great safeguard of society and of domestic life was, that opinions were not acted on. Sane people did what their neighbours did, so that if any lunatics were at large, one might know and avoid them.

-Eliot, George pseudonym of  MaryAnn Evans
^2  Middlemarch, bk.1, ch.1.

   Show me a sane man and I will cure him for you.

-Jung, Carl Gustav
Quoted in the Observer,19  Jul1975.

The virtues common to good living and good poetry seem to me not so much matters of what used to be called 'virtue'as, above all, of sane vitality.

-Lucas, F(rank) L(awrence)
  The Decline and Fall of the Romantic Ideal, ch.1.

Civilization itself is a certain sane balance of values.

-Pound, Ezra Loomis
  Guide to Kulcher, pt.3, section 5, ch.20.

Alcohol is a very necessaryarticle† It makes life bearable to millions of people who could not endure their existence if they were quite sober. It enables Parliament to do things at eleven at night that no sane person would do at eleven in the morning.

-Shaw, George Bernard
  Undershaft to Barbara Undershaft. Major Barbara, act 2.

Though they go mad they shall be sane Though they sink through the sea they shall rise again; Though lovers be lost love shall not; And death shall have no dominion.

-Thomas, Dylan Marlais
  'And Death Shall Have No Dominion'.