"Advertising is the greatest art form of the twentieth century.  Ad's are [today’s] cave art." 
            - Marshall McLuhan

"Many a small thing has been made large by the right kind of advertising." 
            - Mark Twain

"I do not regard advertising as entertainment or an art form, but as a medium of information." 
            - David Ogilvy

"Advertising is the ability to sense, interpret...to put the very heart throbs of a business to type, paper, and ink." 
            - Leo Burnett

"Early to bed, early to rise, work like hell, and advertise." 
            - Ted Turner

"Advertisements contain the only truths to be relied on in a newspaper."
            - Mark Twain

"Advertising is the lubricant for the free enterprise system." 
            - Leo Kelmenson

"The best looking merchandise won't sell without the intelligent persuasion of somebody's words." 
            - Elmer Wheeler

"Your object in all advertising is to buy new customers at a price which pays a profit."                                                                                            - Claude Hopkins 

"Advertising says to people, 'Here's what we've got.  Here's what it will do for you.  Here's how to get it.'" 
            - Leo Burnett
 
"It is difficult to produce a television documentary that is both incisive and probing when every twelve minutes one is interrupted by twelve dancing rabbits singing about toilet paper." 
            - Rod Serling

"Advertising isn't a science. It's persuasion. And persuasion is an art." 
            - William Bernbach
 
"Never write an advertisement which you wouldn't want your family to read.  You wouldn't tell lies to your own wife.  Don't tell them to mine." 
            - David Ogilvy