“If an expert says it is possible, he is almost certainly right. If an expert says it is impossible, he is very probably wrong.”— Fritz Zwicky
“If you think it's expensive to hire a professional to do the job, wait until you hire an amateur.”— Red Adair
“He expressed his surprise that among the Greeks, those who were skilful in a thing contend, but those who have no skill in it act as judges.”— Anacharsis
“A connoisseur is a man who knows everything about something and nothing about anything else.”— Keith Waterhouse
“Just being a Negro doesn't qualify you to understand the race situation any more than being sick makes you an expert on medicine.”— Dick Gregory
“An expert is one who knows more and more about less and less until he knows absolutely everything about nothing.”— Arthur Bloch
“It is a rare expert who combines a masterful command of his subject with the ability to make it accessible to the layman.”— Thomas Keneally
“My definition of an expert in any field is a person who knows enough about what's really going on to be scared.”— Jim Barksdale
“An expert is someone who has succeeded in making decisions and judgments simpler through knowing what to pay attention to and what to ignore.”— Edward de Bono
“An expert is someone who has succeeded in making decisions and judgements simpler through knowing what to pay attention to and what to ignore.”— Edward de Bono