Great marketing only makes a bad product fail faster.

Compete with the immortals

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.

The worst fault a salesman can commit is to be a bore. Foster any attempt to talk about other things; the longer you stay the better you get to know the prospect, and the more you will be trusted.

The headline is the most important element in most advertisements. It is the telegram which decides the reader whether to read the copy.

It is the inescapable duty of management to fire incompetent people.

David Ogilvy made his copywriters come up 100 different headlines for every ad they wrote.