"I teacher, I talk. You student, you listen."
<gives middle finger>

"I try to a help you. Mista Bank come back tomorrow. You say Doctah Li no teach. But pay by board."

"What is a loose and which one gay?"
("What loses and which one gains?")

"The cum-pung! It cum-pung!"
("The compound! It's the compound!")

"N-Hchie-Fwee, A-moh-ya"
<writes NH3 aka Ammonia on the board>

"Hygene is one"
("Hydrogen is one.")

"Sun kinda happen happen, what happen?"

"It ung-shit."

"If we go back to chicken sauce."
("If we go back to check the source.")

"I can not stop them. I am not police! I am teacher!"

"Salushi is a mixture o A and a B... Suhvent shh suhlute shh it's a shh suhvent"

"If Ms. Bank no leave notice, I let do whatever. But not."

"Time go 12:37, say bye bye."

"Carbon is such kinda tatrahadra."

"Julia put upa such kinda regentsa typa question, Gus put up such kinda regents a typa question. Richil... do you want to try?"

"Richil gotta right! such kinda, Richil gotta right!"

"So you go to a pahty, and everybody dressa so nice. Especially the ladies. They putta perfoom ona head, ona shoe, ona feet, ona dress, and it smell sooooo nice. Oh, they smell soooo nice."

[written on board before Christmas Break]
"Merry Christmas and Happy New York."