Keep up appearances; there lies the test; The world will give thee credit for the rest. Outward be fair, however foul within; Sin if thou wilt, but then in secret sin.

-Churchill, Charles
  Night, l.311^12.

   It is the lees left by Bismarck that still foul the cup.

-Grey of Fallodon, Edward Grey, 1st Viscount
  On the duplicity of international diplomacy as practised in the early 20c. Letter to President Roosevelt, Dec. Quoted in G M Trevelyan Grey of Fallodon (1937).

While the journalist exists merelyas the publicity agent of big business, a large circulation, got by fair means or foul, is a newspaper's one and onlyaim.

-Orwell, George pseudonym of  Eric Arthur Blair
  In G.K.'s Weekly, 29 Dec.

The little cousin is dead, by foul subtraction, A green bough fromVirginia's aged tree.

-Ransom,John Crowe
  Chills and Fever,'Dead Boy'.