• The calculus of probabilities, when confined within just limits, ought to interest, in an equal degree, the mathematician, the experimentalist, and the statesman.

    François Arago, Robert GRANT (F.R.A.S.), Baden Powell, William Henry SMYTH (Rear Admiral.) (1857). “Biographies of Distinguished Scientific Men ... Translated by ... W. H. Smyth ... the Rev. Baden Powell ... and R. Grant”, p.235