“She has become an expert at confusingwithwithwith.”

“She repeats things until they are true, or until she can't tell whether they are true or not. She has become an expert at confusing what is with what was with what should be with what could be.”

“It is those of us who have been broken that become experts at mending.”

“When we become expert in something, our tastes grow more esoteric and complex.”

“I've always wanted to be an expert on tadpoles. I've always fancied being a tadpole expert. It's a wonderful life if you become an experty tadpoleous, as they are known in the trade. You get invited to all the smart parties and social gatherings.”

“In their work, designers often become expert with the device they are designing. Users are often expert at the task they are trying to perform with the device. […] Professional designers are usually aware of the pitfalls. But most design is not done by professional designers, it is done by engineers, programmers, and managers.”

“A winner knows how much he still has to learn, even when he is considered an expert by others; a loser wants to be considered an expert by others before he has learned enough to know how little he knows.”

“For every expert there is an equal and opposite expert.”

“If an expert says it can't be done, get another expert.”

“Clarke's Fourth Law: For every expert there is an equal and opposite expert.”