When people aren't having any fun, they seldom produce good work. Kill the grimness with laughter. Encourage exuberance. Get rid of sad dogs that spread gloom.
David OgilvyI avoid clients for whom advertising is only a marginal factor in their marketing mix. They have an awkward tendency to raid their advertising appropriations whenever they need cash for other purposes.
David OgilvyThe advertisers who believe in the selling power of jingles have never had to sell anything.
David Ogilvy