If there is a category of human being for whom his work ought to speak for itself, it is the writer.

-Asimov, Isaac
  Comment in D L Fitzpatrick (ed) Contemporary Novelists.

  Sentences which simply express moral judgements do not say anything. Theyare pure expressions of feeling and as such donot come under the categoryof truth and falsehood.

-Ayer, SirAlfred Jules
  Language, Truth and Logic, ch.6.

Most British statesmen have either drunk too much or womanised too much. I never fell into the second category.

-George-Brown, George (Alfred) Brown, Baron
  In the Observer, Nov.

Nature is a social category.

-Luka¤ c s, Georg
  History and Class Consciousness.

I see you belong to the category, old friend, which will havethingsintheround, whichdoesloveanend, causes, the balance sheet drawn and equalled.But, mydear Gid, the world is not like thatöit is untidy, there are no reasons, the final sum never balances.

-Mo,Timothy
  An Insular Possession, ch.44.

Skullion had little use for contraceptives at the best of times.Unnatural, he called them, and placed them in the lower social category of things along with elastic-sided boots and made-up bow ties. Not the sort of attire for a gentleman.

-Sharpe,Tom (Thomas Ridley)
  Porterhouse Blue, ch.9.

In our country the lie has become not just a moral category but a pillar of the State.

-Solzhenitsyn, Aleksandr Isayevich
  Quoted in the Observer, 29 Dec.