¹² Apply your heart to instruction^(A)
    and your ears to words of knowledge.

¹⁵ My son, if your heart is wise,
    then my heart will be glad indeed;

¹⁷ Do not let your heart envy^(A) sinners,
    but always be zealous for the fear of the Lord.

¹⁹ Listen, my son,^(A) and be wise,
    and set your heart on the right path:

²⁶ My son,^(A) give me your heart
    and let your eyes delight in my ways,^(B)

² for their hearts plot violence,^(A)
    and their lips talk about making trouble.^(B)

¹² If you say, “But we knew nothing about this,”
    does not he who weighs^(A) the heart perceive it?
Does not he who guards your life know it?
    Will he not repay^(B) everyone according to what they have done?^(C)

¹⁷ Do not gloat^(A) when your enemy falls;
    when they stumble, do not let your heart rejoice,^(B)