You will find in politics that you are much exposed to the attribution of false motives. Never complain and never explain.

-Baldwin (of Bewdley), Stanley Baldwin, 1st Earl
  Advice to Harold Nicholson.

'Why,'said the Dodo,'the best way to explain it is to do it.'

-Dodgson
  Alice's  Adventures in Wonderland, ch.3, 'A Caucus-Race and a Long Tale'.

You explain nothing,O poet, but thanks to you all things become explicable.

-Claudel, Paul
Recalled on his death, 23 Feb1955.

Sir, I now pay you this exorbitant charge, but I must ask you to explain to Her Majesty that she must not in future look upon me as a source of income.

-Kemble, Charles
When reluctantly obliged to pay overdue income tax. Attributed.

History is hard to know†but†it seems entirely reasonable to think that every now and then the energy of a whole generation comes to a head in a long fine flash, for reasons that nobody really understands at the timeöand which never explain, in retrospect, what actually happened.

-Thompson, Hunter S(tockton)
Fear and Loathing in LasVegas, ch.8.