¹⁰ The heart knows its own bitterness,
    and no stranger shares its joy.

¹³ Even in laughter the heart is sad,
    and the end of joy is grief.^(A)

¹³ A glad heart makes a cheerful countenance,
    but by sorrow of heart the spirit is broken.^(A)

²² A cheerful heart is a good medicine,
    but a downcast spirit dries up the bones.^(A)

¹⁴ The human spirit will endure sickness,
    but a broken spirit—who can bear?

²⁰ Like vinegar on a wound^[a]
    is one who sings songs to a heavy heart.
Like a moth in clothing or a worm in wood,
    sorrow gnaws at the human heart.^[b]

¹¹ Be wise, my child, and make my heart glad,
    so that I may answer whoever reproaches me.^(A)

⁶ In the transgression of the evil there is a snare,
    but the righteous sing and rejoice.