1. "Thank you for your time and attention"
They mean: "I know you were on your phones and online shopping the entire time"
2. "This will be on the final"
They mean: "It is only a single question out of 50 but they should still study every minuscule detail of the topic"
3. "This won't be on the final"
They mean: "Extra credit question on the final"
4."Good morning"
They mean: "I know you won't respond but I'm making an effort"
5. "Did you check the syllabus?"
They mean: "I spent hours making that so you wouldn't ask me silly questions like this one"
6. "There's no such thing as a stupid question"
They mean: "Yes, there are stupid questions"
7. "Did you all do the readings?"
They mean: "I know you didn't but I am still going to ask anyways"
8. "The discussion posts are due tomorrow"
They mean: "Just because I say due tomorrow doesn't mean do it tomorrow"
9. "Any last questions?"
They mean: "I see you packing up but I still have 60 seconds left in class"
10. "I just want you to work hard and do your best"
They mean: "I just want you to work hard and do your best"