A college president was wiling to one of his professors about the inflation of prices. “Everything has gone out of sight” he moaned.

“Calm yourself” soothed the professor. “I know of three things that haven’t gone up.”

“Really?” said the president, open-mouthed in amazement.

“Yes”, replied the professor, “your opinion of me, my opinion of you and the students, opinion of both of us !”