Set a beggar on horse backe, they saie, and hee will neuer alight.
Source, in full
Robert Greene, Card of Fancie. Heywood—Dialogue. Claudianus—Eutropium. I. 181. Shakespeare—True Tragedy of Richard, Duke of York, scene 3. Henry VI, IV. 1. Ben Jonson—Staple of News, Act IV. See also collection of same in Bebel—Proverbia Germanica, Suringar's ed. (1879). No. 537.