Whoever plans to do evil will be called a schemer.
Here is the description, 1. Of a weak man: Wisdom is too high for him; he thinks it so, and therefore, despairing to attain it, he will take no pains in the pursuit of it, but sit down content without it. And really it is so; he has not capacity for it, and therefore the advantages he has for getting it are all in vain to him.
Commenting on Proverbs 24:7-9
The thoughts of foolishness is sin,.... The thought of sin is sin (e), before it comes into action; the motions of sin in the mind, the workings of corrupt nature in the heart, the sinful desires of the flesh and of the mind: these are forbidden and condemned by the law of God as sin, which says, "Thou shall not covet", Exo 20:17, and stand...
Pro 24:8 From wisdom, which is a moral good, the following proverb passes over to a kind of σοφία δαιμονιώδης: He that meditateth to do evil, We call such an one an intriguer. A verbal explanation and definition like Pro 21:24 (cf. p. 29), formed like Pro 16:21 from נבון. Instead of בּעל־מזמּות [lord of mischief] in Pro 12:2, the expression is 'אישׁ מ (cf. at Pro 22:24).