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

¹⁸ A plan^[a] will be established by advice,
    and with guidance make war.

⁹ In the ears of a fool do not speak,
    for he will despise the wisdom of your words.

⁹ Perfume and incense will gladden a heart,
    and the pleasantness of one’s friend is personal advice.^[a]