An MIT linguistics professor was lecturing his class the other day.

"An MIT linguistics professor was lecturing his class the other day. "In English," he said, "a double negative forms a positive. However, in some languages, such as Russian, a double negative remains a negative. But there isn't a single language, not one, in which a double positive can express a negative."

A voice from the back of the room said, "Yeah, right." —Sai Kishore K"


http://www.businessinsider.com/profound-jokes-2014-6