• All the business of war, and indeed all the business of life, is to endeavour to find out what you don't know by what you do; that's what I called 'guess what was at the other side of the hill'.

    Duke of Wellington: All the business of war, and indeed all the business of life, is to endeavour to find out what you don't know by what you do; that's what I called 'guess what was at the other side of the hill'.
    'The Croker Papers' (1885) vol. 3, p. 276