Proverbs 3:4 promises favor and success for keeping wisdom, directly echoing the first line of 13:15 that good understanding wins favor.

Proverbs 22:5 uses the same image of a hazardous 'way' for the crooked — illustrating the ruin mentioned here.

Proverbs 4:19 describes the wicked's way as deep darkness, paralleling the 'hard way' of the treacherous in 13:15 through imagery of difficulty.

Proverbs 14:9 also pairs foolishness with rejection and uprightness with favor — reinforcing the same moral reward structure.

Proverbs 14:35 applies the same favor-versus-wrath principle to a king's servant, illustrating the contrast of 13:15 in a specific social setting.

Proverbs 15:10 warns of severe discipline for forsaking the way, reinforcing the consequence side of the contrast in 13:15 but with discipline rather than inherent hardness.

Proverbs 16:20 echoes that thoughtful, trusting behavior brings good — expanding on the 'good sense' that wins favor here.

1 Samuel 18:14-16 shows David's success and universal favor as a real-life example of the principle that good understanding wins favor.

Jeremiah 2:19 states that evil will chastise and apostasy will reprove, directly echoing the idea that the treacherous' way is hard and self-destructive.

Luke 2:52 describes Jesus growing in wisdom and favor with God and men, directly exemplifying the favor that comes from good understanding.

Acts 7:10 recounts Joseph receiving favor and wisdom from God, a concrete example of the first part of 13:15.

Psalm 1:1 similarly contrasts the way of sinners with the blessed path — echoing the same moral geography of wisdom versus ruin.