A real Centauröpart man, part horse's ass. A rough appraisal, but curiously true.

-Acheson, Dean Gooderham
  Of President  Johnson.13  Apr.

And the L opened the mouth of the ass, and she said unto Balaam,What have I done unto thee, that thou hast smitten me these three times?

-Bible (Old Testament)
ORDNumbers 22:28.

With the jawbone of an ass, heaps upon heaps, with the jaw of an ass have I slain a thousand men.

-Bible (Old Testament)
Judges15:16.

There ought to be some other means of reckoning quality in this the best and loveliest of games; the scoreboard is an ass.

-Cardus, Sir Neville
A Fourth Innings with Cardus.

I am ashamed the law is such an ass. See Dickens 267:96.

-Chapman, George
Revenge for Honour (published posthumously,1654), act 3, sc.2. Although this is credited to Chapman, his authorship is doubtful.

'If the law supposes that,'said Mr Bumble†'the law is a assöa idiot.'

-Dickens, CharlesJohn Huffam
^9  Oliver Twist, ch.51.

Writing and travel broadenyourassif not yourmindand I like to write standing up.

-Hemingway, Ernest Millar
  Letter, 9  Jul.

Hood an ass with reverend purple, So you can hide his two ambitious ears, And he shall pass for a cathedral doctor.

-Jonson, Ben
  Volpone, act1, sc.3.

He that is a traveller must have the back of an ass to bear all, atonguelikethetail ofa dog toflatterall, themouthof a hog to eat all what is set before him, the ear of a merchant to hear all and say nothing; and if this be not the highest step of thraldom, there is no liberty or freedom.

-Nashe,Thomas
  The Unfortunate Traveller, or the Life of  Jack Wilton.

Cover your assöthe bureaucrat's method of protecting his posterior from posterity.

-Safire,William
  Safire's Political Dictionary, introduction.

The light is braying like an ass.

-Sitwell, Dame Edith Louisa
  Fa c° ade,'Long Steel Grass'.