If you don't love life you can't enjoy an oyster.

-Clark, Eleanor
  The Oysters of Locmariaquer, ch.1.

An oyster of the old school whom nobody can open.

-Dickens, CharlesJohn Huffam
^3  Of Mr Tulkinghorn. Bleak House, ch.10.

There's nothing in Christianity or Buddhism that quite matches the sympathetic unselfishness of an oyster.

-Saki pseudonym of  Hector Hugh Munro
The Chronicles of Clovis,'The Match-Maker'.

An oyster may be crossed in love!

-Sheridan, Richard Brinsley
  Tilburnia's'mad'speech from'The Spanish Armada'. The Critic, act 3, sc.1.

   He was a bold Man that first ate an Oyster.

-Swift,Jonathan
  Polite Conversation, dialogue 2.

No oyster ever profited from its pearl.

-Thurber,James Grover
  Fables for OurTime,'The Philosopher and the Oyster'.

Roderick Spode? Big chap with a small moustache and the sort of eye that can open an oyster at sixty paces?

-Plum
  The Code of theWoosters, ch.2.