Never give advice unless asked.

I owe my success to having listened respectfully to the very best advice, and then going away and doing the exact opposite.

Good advice is something a man gives when he is too old to set a bad example.

Advice is what we ask for when we already know the answer but wish we didn't.

Write down the advice of him who loves you, though you like it not at present.

Don't give advice. It will come back and bite you in the [butt]. Don't take anyone's advice. So, my advice to you is to be true to yourself and everything will be fine.

Please give me some good advice in your next letter. I promise not to follow it.

Ask advice only of your equals.

People who ask our advice almost never take it. Yet we should never refuse to give it, upon request, for it often helps us to see our own way more clearly.

It is very difficult to live among people you love and hold back from offering them advice.

Never trust the advice of a man in difficulties.

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.

I read no newspaper now but Ritchie's, and in that chiefly the advertisements, for they contain the only truths to be relied on in a newspaper.

Advertisements... contain the only truths to be relied on in a newspaper.

Advertising may be described as the science of arresting the human intelligence long enough to get money from it.

Advertising is a valuable economic factor because it is the cheapest way of selling goods, particularly if the goods are worthless.

Chess is as elaborate a waste of human intelligence as you can find outside an advertising agency.

You can tell the ideals of a nation by its advertisements.

Many a small thing has been made large by the right kind of advertising.

Half the money I spend on advertising is wasted; the trouble is I don't know which half.