Given sufficient training, any intelligent person can learn to conduct surveys, but getting people to use the results requires salesmanship of a high… - David Ogilvy

I asked an indifferent copywriter what books he had read about advertising. He told me that he had not read any; he preferred to rely on his own intuition. ‘Suppose,’ I asked, ‘your gall-bladder has to be removed this evening. Will you choose a surgeon who has read some books on anatomy and knows where to find your gall-bladder, or a surgeon who relies on his intuition? Why should our clients be expected to bet millions of dollars on your intuition?

Develop your eccentricities while you are young. That way, when you get old, people won’t think you’re going gaga.

Never Write an Advertisement Which You Wouldn't Want Your Own Family To Read. You wouldn't tell lies to your own wife. Don't tell them to mine. Do as you would be done by.