The catchiest slogans don't just stick in your head; they can also change the way you think about the product being advertised.

A good advertisement persuades you to buy the product or service being advertised.

Successful advertising campaigns manage to tie the products being sold to a catchy slogan.

Some successful advertising campaigns demonstrate how integral clever slogans are for a company's brand recognition.

"Just Do It" is a perfect saying for a company Nike selling athletic clothing and merchandise because it inspires a feeling of boldness and encourages consumers to try harder.

Volkswagen has produced many clever advertising slogans and campaigns over the years, but perhaps their most highly regarded slogan is from 1959: "Think Small."

In 1995, McDonald's (MCD) asked consumers a simple question in their advertisements: "Have You Had Your Break Today?"

De Beers launched this simple slogan in 1947 and it's still in use today "A Diamond Is Forever"

"Gimme a Break" was a variation of Kit Kat's 1957 slogan "Have a Break … Have a Kit Kat."

Apple, Inc. (AAPL) launched "Think Different"   slogan in 1997 in a mix of print advertisements and commercials.

The slogan "Don't Leave Home Without Out" to refer to American Express's credit cards.