1.

I will sing of mercy and judgment: unto thee, O LORD, will I sing.

2.

I will behave myself wisely in a perfect way. O when wilt thou come unto me? I will walk within my house with a perfect heart.

2. He avows his sincere purpose, by God's aid, to act uprightly (Genesis 17:1; Psalms 18:30).

3.

I will set no wicked thing before mine eyes: I hate the work of them that turn aside; it shall not cleave to me.

3. set . . . eyes—as an example to be approved and followed.
no wicked thing—literally, "word," plan or purpose of Belial ().
work of . . . aside—apostates.
not cleave to me—I will not be implicated in it (compare ).

4.

A froward heart shall depart from me: I will not know a wicked person.

4. A froward heart—or, "perverse heart" (). Such a temper I will not indulge, nor even know evil or wickedness.

5.

Whoso privily slandereth his neighbour, him will I cut off: him that hath an high look and a proud heart will not I suffer.

5, 6. The slanderers and haughty persons, so mischievous in society, I will disown; but—

6.

Mine eyes shall be upon the faithful of the land, that they may dwell with me: he that walketh in a perfect way, he shall serve me.

6. Mine eyes . . . upon—or, I will select reliable and honest men for my servants.

7.

He that worketh deceit shall not dwell within my house: he that telleth lies shall not tarry in my sight.

7. not dwell—literally, "not sit," or tarry, or be established.

8.

I will early destroy all the wicked of the land; that I may cut off all wicked doers from the city of the LORD.

8. will early—or, "diligently."
city of the Lord—or, "holy place" (Psalms 48:2), where wicked men shall not be tolerated.