Happiness is no laughing matter.

Taken at face value, the line plays on the idiom “no laughing matter” to insist that happiness is not a trivial, merely comic, or superficial concern. It suggests that genuine happiness is serious business: it involves moral choices, habits of mind, and the ordering of one’s life rather than momentary amusement. Read this way, the aphorism distinguishes pleasure or laughter from deeper well-being, implying that treating happiness as entertainment misses its ethical and philosophical weight. The wit of the phrasing underscores the point: even a joke can be used to warn against reducing happiness to jokes.