Train conductor: Ladies and gentlemen, there are four doors on each subway car. If one of them is crowded, walk over to another door. Seriously! We do not need 86 people standing at 86th Street. Just move to another door. It's simple mathematics!

–C Train

Teen shopper to friend: I like hate math except for like…when I'm counting calories and stuff.

–Fashion Closet

Girl to guy: Some people believe in the laws of attraction, I believe in the laws of subtraction.

–Bus Stop Cafe

Pharmacist to another: What's one half of a half?

–CVS

African-American father to five-year-old daughter: You see? That's why I send you to a Chinese school. Because those Chinese kids know how to do math. You gotta know how to do math if you want to make something of yourself. If I sent you to a black school, you'd just turn into a crackhead. If I sent you to a white school you'd turn into an asshole. But those Chinese kids, man, they know how to do shit.

–4 Train

Teacher: And if your friend comes up to you and says, "man, yesterday I had cosecant pi plus cotangent 2 pi slices of pizza today," …and you went and figured it out, you'd look at him and say "man, you're an asshole!"

–Hunter College High School

Overheard by: Kevo