“The most certain sign of wisdom is cheerfulness.”Michel de Montaigne · Eseuri · 1580 · I, 14
True wisdom is recognized by constant joy, not by gravity or melancholy.
Montaigne rejects the image of the gloomy sage. For him, whoever understands life no longer lets trifles disturb them and lives in a state of serenity. Cheerfulness is not superficiality, but the sign of a mind that has accepted life's limits and absurdities. For instance, someone who laughs at their own mistakes instead of frowning shows wisdom.
Montaigne noticed that people often confuse seriousness with depth. A friend who frowns when discussing death is no wiser than one who jokes about the same subject. On the contrary, the ability to laugh at life's absurdities shows a mind free from useless fears. When you mess up a recipe and laugh instead of getting upset, you are not being shallow — you are exactly where Montaigne wants you. Cheerfulness is proof that you have digested the lesson without a lump in your throat.
Why it matters It reminds us that happiness is not the enemy of deep thinking, but its companion. In a culture of stress, it's an invitation to find joy in knowledge.