John Gills Exposition of the Bible Commentary - Proverbs 21:10
The soul of the wicked desireth evil ,.... The evil of sin, it being natural to him; he chooses it, delights in it, craves after it, under a notion of pleasure or profit: or the evil of mischief; it is a sport and pastime to him to do injury to others; see Proverbs 10:23 ; he desires both the one and the other with all his soul; his heart is in it, he is set upon it, which shows him to be a wicked man; his neighbour findeth no favour in his eyes ; not only he delights to do mischief to... read more
Matthew Henry's Complete Commentary - Proverbs 21:10
See here the character of a very wicked man. 1. The strong inclination he has to do mischief. His very soul desires evil, desires that evil may be done and that he may have the pleasure, not only of seeing it, but of having a hand in it. The root of wickedness lies in the soul; the desire that men have to do evil, that is the lust which conceives and brings forth sin. 2. The strong aversion he has to do good: His neighbour, his friend, his nearest relation, finds no favour in his eyes, cannot... read more