You can think of yourself, if you’re expecting a C, as a hobbit. If you’re expecting an A, you’re a giant. But as you know, sometimes hobbits triumph.
Prof. D. 

Student: I feel like I use the word “inherently” too much when I write.
J.S.: There’s nothing inherently wrong with that…
J.S. (Grad Student Instructor)

Now let’s talk about STDs. Just in time for the weekend!
Dr. Z.

Your chances of being a total genetic match with someone are 1 in 70 trillion. So if your significant other says you’re 1 in a million you can correct them and say you’re 1 in 70 trillion.
Dr. Z.

Student: Have you ever smoked marijuana?
Prof. D.: Are you asking me? I got here in the 1968, and I had long hair. I've been arrested. I've been tear-gassed. I've spent a night in the Berkeley jail. There are things about me that you don't know and don't want to know.

Lose, lose, lose, lose. You’re a loser.
Prof. D. 

Don’t smoke cigarettes. Unless you’re faded. Then it’s ok, occasionally. But don’t ever smoke when you’re sober.
N.A. (Grad Student Instructor)

Please don’t pass out, because that would interrupt the lecture.
Prof. D. 

In math, 3! doesn’t mean “THREE OH MY GOD WHAT IS THIS!
Prof. D. 

Los Angeles is full of stars, but Alpha Centauri is not one of them.
Prof. D. 

There are people in the world that never let the facts get in the way of a strongly held prejudice. There are lots of politicians like that.
Prof. D. 

I have to strike a balance between showing how to solve problems in class and bludgeoning you into unconsciousness.
Prof. D.