"What is this?" the befuddled master asked his student.

The student had walked into the Zen masters living quarters and presented him with an envelope containing a card.

"Master, it is my Valentine's Day card to you."

The master peered at the card, turned it over, looked at each side. Finally, he said, "The card is blank."

"Yes, master. It states nothing but means everything."

The master smiled and nodded. He knew the student had been paying attention to the master's teachings. The student bowed and took his leave, and with that the master threw the card in the fireplace, shook his head and grinned slightly. "Numbnuts," he muttered under his breath.