Those who can laugh without cause have either found the true meaning of happiness or have gone stark raving mad.

Those who can laugh without cause have either found the true meaning of happiness or have gone stark raving mad.

那些能无缘无故大笑的人，要么找到了幸福的真谛，要么已经完全疯了。

-- Norm MacDonald 诺姆麦克唐纳