An arrogant law professor who prided himself on knowing every legal loophole in existence was about to meet his match in a failing student.

The student, staring at a big fat “F” on his final exam, walked straight up to the professor’s desk with a confident smirk. “Professor, do you truly know everything about the law?”

“Of course I do,” the professor replied, amused.

“Then let’s make a deal,” the student proposed. “I have a riddle for you. If you can answer it, I will accept my failing grade. But if you can’t, you have to give me an ‘A’.”

Intrigued and completely confident in his own genius, the professor agreed.

The student leaned in: “What is legal but not logical, logical but not legal, and neither legal nor logical?”

The professor sat there. He thought about it for hours, combing through constitutional law, penal codes, and ancient statutes, but his mind went completely blank. Utterly defeated and refusing to look stupid, he signed the paperwork and reluctantly upgraded the boy’s grade to a flawless “A”.

The next morning, still bothered by the riddle, the professor decided to test it on his entire lecture hall. “Can anyone tell me,” he asked the room, “what is legal but not logical, logical but not legal, and neither legal nor logical?”

To his absolute shock, every single student in the room immediately raised their hand.

Feeling a bit foolish, the professor pointed to a student in the front row. “Alright, give me the answer.”

The student stood up and delivered the verdict:

“It’s quite simple, sir. You are 65 years old and married to a beautiful 25-year-old woman. That is legal but not logical.”

“Your young wife is currently having a wild affair with a 23-year-old student. That is logical but not legal.”

“And your wife’s boyfriend just failed his law exam, yet you just gave him a straight ‘A’. That, sir, is neither logical nor legal.”