Writing anything as an expert is really poisonous to the writing process, because you lose the quality of discovery. Siddhartha Mukherjee
The question of where Europe ends and Asia begins has troubled many people over the years, but here's a rule of thumb: if someone can pose as an expert on the country in question without knowledge of the relevant language, it's part of Asia. Brian Reynolds Myers
Make three correct guesses consecutively and you will establish a reputation as an expert. Laurence J. Peter
Everyone was supposed to go to parliament to work with their heads. For some, working with their heads didn't work out, so they went on to employ their fists. As an expert in this matter I can say that they didn't manage to do it very well, either. Vitali Klitschko