“The ideal client is the very wealthy man in very great trouble.”

John Sterling, author

“Never say no when a client asks for something, even if it is the moon. You can always try - and anyhow, there is plenty of time afterwards to explain that it was not possible.”

Richard Milhous Nixon, 37th US president and one-time attorney 

(Pity Tricky Dicky didn’t run his country like he ran his law practice).

“A consultant is someone who saves his client almost enough to pay his fee.”

Arnold H Glasgow, humourist & businessman

“I've never found a client's business problem that could be solved solely through advertising.”

Lee Clow, Chairman and chief creative officer, TBWA Worldwide

(Who disproved the theory with his iconic Apple ‘Think Different’ ad.)

“Is there anyone I wouldn't take as a client? Well, I'd never represent a banker.”

Gerry Spence, famed US trial lawyer

“I never tell one client that I cannot attend his sales convention because I have a previous engagement with another client. Successful polygamy depends upon pretending to each spouse that she is the only pebble on your beach.”

David Ogilvy, founder, Ogilvy and Mather, and ‘the father of advertising’

“A doctor can bury his mistakes but an architect can only advise his client to plant vines.”

Frank Lloyd Wright, prolific and influential US architect