There is a world of difference between wittiness and wittiness. Wit contains truth, while witticism is playing with words. Doroszi (France)? Parker: Paris Review
Wit is salt in conversation, not food. William? Hazlitt:
Without a little quirky temperament, wit is impossible. Richard? Sheridan
Being unconventional is the soul of wit. Somerset? Mao Mu: The Moon and Sixpence
Wit is cultivated arrogance. [Ancient Greece] Aristotle: The Basic Work of Aristotle
The definition of wit: a sharp and intelligent comment, which is often quoted but rarely paid attention to. Vulgarians like to call it a "joke". Anonymous: The Devil's Dictionary