Lucy, dear child, mind your arithmetic. You know in the first sum of yours I ever saw there was a mistake. You had carried two (as a cab is licensed to do), and you ought, dear Lucy, to have carried but one. Is this a trifle? What would life be without arithmetic, but a scene of horrors.
Sydney SmithIn composing, as a general rule, run your pen through every other word you have written; you have no idea what vigor it will give your style.
Sydney Smith