A dictionary of Proverbs (Oxford Paperback Reference)

There are TWO sides to every question
Cf. PROTAGORAS Aphorism (in Diogenes Laertius ProtagorasIX. li.) .м?.¹ тгрг-.тс; .-wk [Protagoras] -g-A.-c -/u;-/!u/./jj/.n.-;. Protagoras was the
first to say that there are two sides to every question, one opposed to the other.

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  1802 J. ADAMS Autobiography (1966) III. 269 There were two Sides to a question. 1817 T. JEFFERSON Letter 5 May in L. J. Cappon Adams-Jefferson Letters (1959) II. 513 Men of energy of character must have enemies: because there are two sides to every question, and.. those who take the other will of course be hostile. 1863 C. KINGSLEY Water Babies vi. Let them recollect this, that there are two sides to every question, and a downhill as well as an uphill road. 1957 E. SITWELL Letter in V. Glendinning Edith Sitwell (1981) xxviii. It’s more than platitudinous to say that there are two sides to every question but there is something to be said on both sides. 1971 C. FITZGIBBON Red Hand iii. From the English point of view which inevitably they have applied to.. Ireland, the art of politics consists in realizing that there are two sides to every question. "fair dealing
  

It takes TWO to make a bargain

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  1597 BACON Colours of Good & Euill x. 68 The seconde worde makes the bargaine. 1598 Mucedorus B2 Nay, soft, sir, tow words to a bargaine, a 1637 MIDDLETON et al. Widow V. i. There’s two words to a bargain ever.. and if love be one, I’m sure money’s the other. 1766 GOLDSMITH Vicar of Wakefield II. xii. ‘Hold, hold, Sir,’ cried Jenkinson, ‘there are two words to that bargain.’ 1943 M. FLAVIN Journey in Dark iv. Takes two to make a bargain, and you both done mighty wrong. 1973 E. McGIRR Bardel’s Murder iv. My father was in skins and he had to carry a life-preserver, they got so nasty. Caveat emptor, he used to say, it taking two to make a bargain. "buying and selling