Aim at perfection in everything, though in most things it is unattainable; however, they who aim at it, and persevere, will come much nearer it than those whose laziness and despondency make them give it up as unattainable.

Lord Chesterfield (1694-1773) English statesman, wit [Philip Dormer Stanhope]

Letter to his son, #226 (24 May 1750)
    (Source)