It is often more necessary to conceal contempt than resentment; the former is never forgiven, but the later is sometimes forgotten.
Lord ChesterfieldNever write down your speeches beforehand; if you do, you may perhaps be a good declaimer, but will never be a debater.
Lord ChesterfieldStudy the heart and the mind of man, and begin with your own. Meditation and reflection must lay the foundation of that knowledge, but experience and practice must, and alone can, complete it.
Lord Chesterfield