Not a Penny More,Not a Penny Less.

-Archer,Jeffrey Howard, Lord
  Title of novel.

There is less in this than meets the eye.

-Bankhead,Tallulah
  Attending a revival of Maeterlinck's play  Aglavaine and Selysette. Quoted in  Alexander  Woollcott Shouts and Murmurs (1923), ch.4.

'Take some more tea,'the March Hare said to Alice, very earnestly. 'I've had nothing yet,'Alice replied in an offended tone, 'so I can't take more.' 'You mean you can't take less,'said the Hatter: 'It's very easy to take more than nothing.'

-Dodgson
  Alice's  Adventures in Wonderland, ch.7, 'A Mad Tea-Party'.

It is the tragedy of the world that no one knows what he doesn't know; and the less a man knows, the more sure he is that he knows everything.

-Cary, (Arthur) Joyce Lunel
  Art and Reality, introduction.

If we domore with less, ourresponsewill be adequateto take care of everybody.

-Fuller, R(ichard) Buckminster
  In Playboy.

As I know more of mankind I expect less ofthem, and am ready now to call a man a good man, upon easier terms than I was formerly.

-Johnson, Samuel known as Dr Johnson
  Remark, Sep. Quoted in  James Boswell The Life of Samuel Johnson (1791), vol.4.

The uniform 'e wore Was nothin'much before, An'rather less than 'arf o'that be'ind.

-Kipling, (Joseph) Rudyard
  'Gunga Din'.

   Some people say that less is more. But I think more is more.

-Parton, Dolly
Attributed.

Cats, no less liquid than their shadows, Offer no angles to the wind. They slip, diminished, neat, through loopholes Less than themselves.

-Tessimond, A(rthur) S(eymour) J(ohn)
'Cats', pt.2.

The less seen, the more heard. The eye is the enemy of the ear in real drama.

-Wilder,Thornton Niven
  In the NewYorkTimes, 6 Nov.