Wickedness proceeded from the wicked - This proverb may be thus understood: He that does a wicked act, gives proof thereby that he is a wicked man. From him who is wicked, wickedness will proceed; he who is wicked will add one iniquity to another. Had I conspired to dethrone thee, I should have taken thy life when it was in my power, and thus added wickedness to wickedness.

Wickedness

Matthew 7:16-18 You shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles...

Matthew 12:33,34 Either make the tree good, and his fruit good; or else make the tree corrupt, and his fruit corrupt...

Matthew 15:19 For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:

The Exile --Continued.
We have one psalm which the title connects with the beginning of David's stay at Adullam,--the thirty-fourth. The supposition that it dates from that period throws great force into many parts of it, and gives a unity to what is else apparently fragmentary and disconnected. Unlike those already considered, which were pure soliloquies, this is full of exhortation and counsel, as would naturally be the case if it were written when friends and followers began to gather to his standard. It reads like …
Alexander Maclaren—The Life of David