An expert is one who knows more and more about less and less.
Always listen to experts. They'll tell you what can't be done, and why. Then do it.
An expert is a man who has made all the mistakes which can be made, in a narrow field.
If stock market experts were so expert, they would be buying stock, not selling advice.
Experts often possess more data than judgment.
An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.
In the beginner's mind there are many possibilities, in the expert's mind there are few.
Even when the experts all agree, they may well be mistaken.
Try, try, try, and keep on trying is the rule that must be followed to become an expert in anything.
If the world should blow itself up, the last audible voice would be that of an expert saying it can't be done.
If an expert says it can't be done, get another expert.
It is, after all, the responsibility of the expert to operate the familiar and that of the leader to transcend it.
We have not overthrown the divine right of kings to fall down for the divine right of experts.
There are as many opinions as there are experts.
I owe much to mother. She had an expert's understanding, but also approached art emotionally.
Expert: a man who makes three correct guesses consecutively.
An expert is somebody who is more than 50 miles from home, has no responsibility for implementing the advice he gives, and shows slides.
One accurate measurement is worth a thousand expert opinions.
The expert in battle seeks his victory from strategic advantage and does not demand it from his men.
My definition of an expert in any field is a person who knows enough about what's really going on to be scared.