Proverbs 21:15 It is joy to the just to do judgment: but destruction shall be to the workers of iniquity. 

This proverb reveals how character determines one’s response to justice. For the just (the righteous), “to do judgment” – to act in accordance with truth, fairness, and God’s standards – is a source of joy. Justice is not a burden to them but a delight, because it reflects God’s own character. The righteous rejoice when truth is upheld, wrongs are corrected, and order is restored. Their joy flows from a clear conscience and a heart aligned with righteousness.

In sharp contrast, “the workers of iniquity” view justice as a threat. Acts of judgment represent “destruction” to them, not because justice is cruel, but because it exposes guilt and removes the refuge of wrongdoing. They fear justice because they live in defiance of it and instinctively know they deserve its consequences.

Thus, the same act, justice, produces opposite reactions: Joy for the righteous, who are vindicated by it, and terror and ruin for the wicked, who are condemned by it.

This proverb teaches that justice is never neutral. It delights those who walk uprightly and destroys those who persist in sin. How one feels about justice reveals the condition of the heart. In short, those who love righteousness love justice; those who practice evil fear it.