幽默

幽默從沒法成為專業課程或說教的一部份，但若要永遠延續的話，兩者必須兼具。而我指的永遠，只是三十年。

—馬克吐溫（美國小說家）

“Humor must not professedly teach, and it must not professedly preach, but it must do both if it would live forever. By for- ever, I mean thirty years.”

—Mark Twain, American writer