Here is a golden Rule.... Write legibly. The average temper of the human race would be perceptibly sweetened, if everybody obeyed this Rule!

(Lewis Carroll [Charles Lutwidge Dodgson] (1832-1898), British author, mathematician, clergyman. "Eight or Nine Wise Words About Letter-Writing" in The Letters of Lewis Carroll, vol. II, ed. Morton N. Cohen, Oxford University Press (1979).)