17 Rejoice not when thine enemy falleth, and let not thy heart be glad when he stumbleth; 18 lest Jehovah see it, and it be evil in his sight, and he turn away his anger from him.

Matthew Henry's Commentary on Proverbs 24:17-18

Commentary on Proverbs 24:17-18

(Read Proverbs 24:17-18)

The pleasure we are apt to take in the troubles of an enemy is forbidden.