Repeat your winners. If you are lucky enough to write a good advertisement, repeat it until it stops selling. Scores of good advertisements have been discarded before they lost their potency.
David OgilvyTry and inject into every commercial you make a touch of singularity; a bird that will hook on to the consumers mind
David OgilvyCandor compels me to admit that I have no conclusive research to support my view that jingles are less persuasive than the spoken word. You'd run like hell if a salesman came to your door and began singing at you. Why do it in advertising?
David Ogilvy