I have noticed that agencies which are full of fun and ferment seem to create the best advertising. If you are not happy in advertising, for goodness sake find a job in which you would be happy. For as far as I know, we pass this way only once

When you have nothing to say, sing it.

Never use jargon words like 'reconceptualize', 'demassification', 'attitudinally', 'judgmentally'. They are hallmarks of a pretentious ass.

It strikes me as bad manners for a magazine to accept one of my advertisements and then attack it editorially - like inviting a man to dinner then spitting in his eye.

Make sure you have a vice president in charge of your revolution, to engender ferment among your more conventional colleagues.

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.

...consumers do not buy one brand of soap, or coffee, or detergent. They have a repertory of four or five brands, and move from one to another. They almost never buy a brand which has not been admitted to their repertory during its first year on the market.