²³ It is like a sport for a fool to do wrong,
    wisdom for a person of understanding.

¹² He who lacks sense^[a] belittles his neighbor,
    but a person of intelligence will remain silent.

²¹ Folly is a joy to him who lacks sense,^[a]
    and a person of understanding will walk upright.^[b]

²⁷ He who spares his sayings knows knowledge,
    and a cool spirit is a man of understanding.

⁵ Deep waters are like purpose in the heart^[a] of a man,
    and a man of understanding will draw it^[b] out.