Half the money I spend on advertising is wasted; the trouble is I don't know which half.
John Wanamaker (1838 - 1922), (attributed)
Many a small thing has been made large by the right kind of advertising.
Mark Twain (1835 - 1910), A Connecticult Yankee in King Arthur's Court
You can tell the ideals of a nation by its advertisements.
Norman Douglas, South Wind, 1917
If people aren't going to talk about your product, then it's not good enough.
Jeffrey Kalmikoff, Designing for Community with Zero-Advertising Brands, SXSW 2006
Chess is as elaborate a waste of human intelligence as you can find outside an advertising agency.
Raymond Chandler (1888 - 1959)
Advertising is a valuable economic factor because it is the cheapest way of selling goods, particularly if the goods are worthless.
Sinclair Lewis (1885 - 1951)
Advertising may be described as the science of arresting the human intelligence long enough to get money from it.
Stephen Leacock (1869 - 1944)
I LIKE ads. It's not that we don't like ads, we just don't like ads when they are out of place.
Bill Barnes, How to Blog for Money by Learning from Comics, SXSW 2006
Advertisements... contain the only truths to be relied on in a newspaper.
Thomas Jefferson (1743 - 1826), Letter to Nathaniel Macon, January 12, 1819
The very first law in advertising is to avoid the concrete promise and cultivate the delightfully vague.
Bill Cosby (1937 - )
Advertising is the modern substitute for argument; its function is to make the worse appear the better.
George Santayana (1863 - 1952)
What is the difference between unethical and ethical advertising? Unethical advertising uses falsehoods to deceive the public; ethical advertising uses truth to deceive the public.
Vilhjalmur Stefansson (1879 - 1962), "Discovery", 1964