You must become an expert on a product, service or…

As actors, you become an expert at starting over.

— Lupita Nyong'o

I've always been a fan of old-time hymns and Scots-Irish dirges, though I wouldn't necessarily consider myself an expert on the type of music…

— Ryan Bingham

Whenever there's a speciality dance, such as the Charleston or the Argentine Tango, 'Strictly' enlists expert choreographers to work with the professional dancers.

— Angela Rippon

An expert is a man who has made all the mistakes which can be made, in a narrow field.

— Niels Bohr

An expert is someone who knows some of the worst mistakes, which can be made, in a very narrow field.

— Niels Bohr

“Talent alone does not make someone an expert.”

— John W. Santrock

Look, science is hard, it has a reputation of being hard, and the facts are, it is hard, and that's the result of 400…

— Seth Shostak

I can play 'Guitar Hero,' most of the songs on Medium and some of the songs on Hard. No Expert.

— Ryan Hansen

A man who is invested takes the time to get to know you well, and his gifts will be a testament to his expert…

— Matthew Hussey

An expert is somebody who is more than 50 miles from home, has no responsibility for implementing the advice he gives, and shows slides.

— Edwin Meese

“Fit yourself where you are before you fix yourself where you can be!”

— Israelmore Ayivor

Experts don't know exactly where the boundaries of their expertise are.

— Daniel Kahneman

Experts are human, and humans respond to incentives. How any given expert treats you, therefore, will depend on how that expert's incentives are set…

— Steven Levitt

When you're an expert in a subject, you can retain new factoids on your favorite topic easily. This only works for the subjects you're…

— Clive Thompson

“I’m a scientific expert; that means I know nothing about absolutely everything.”

— Arthur C. Clarke