Potent Quotables

Two fun quotes from today.

New class, professor says (name protected for anonymity):
"One more thing, you absolutely get points off if you even once call me Dr. Lastname. You are going to be my junior colleagues, please call me Firstname. I don't believe in the hierarchical system...just remember I get to yell at you but you don't get to yell at me."

Seminar speaker, during lunch with graduate students:
"Be sure you do your postdoc in a different field. If you postdoc in your same area, pretty soon you know more and more about less and less, until you wind up knowing everything about nothing."