Contradiction with Psalm 88:3-5
These verses describe being full of troubles and feeling near to death, contrasting with the call to sing and praise the Lord's holiness in Psalm 30:4.
Psalm 88:3-5: For my soul is full of troubles: and my life draweth nigh unto the grave.
Contradiction with Psalm 22:1
This verse expresses a feeling of abandonment by God, conflicting with the encouragement in Psalm 30:4 to sing and give thanks to the Lord.
Psalm 22:1: [To the chief Musician upon Aijeleth Shahar, A Psalm of David.] My God, my God, why hast thou forsaken me? [why art thou so] far from helping me, [and from] the words of my roaring? [Aijeleth...: or, the hind of the morning] [helping...: Heb. my salvation]
Contradiction with Ecclesiastes 9:2
This verse states that the same fate awaits both the righteous and the wicked, contradicting the notion of the righteous singing praise in Psalm 30:4.
Ecclesiastes 9:2: All [things come] alike to all: [there is] one event to the righteous, and to the wicked; to the good and to the clean, and to the unclean; to him that sacrificeth, and to him that sacrificeth not: as [is] the good, so [is] the sinner; [and] he that sweareth, as [he] that feareth an oath.
Contradiction with Lamentations 3:1-2
These verses speak of experiencing God's wrath and darkness, which contradicts the joyous praise and thanksgiving urged in Psalm 30:4.
Lamentations 3:1-2: I [am] the man [that] hath seen affliction by the rod of his wrath.
Contradiction with Job 3:11
This verse questions the purpose of life given one's suffering, contrasting with the celebratory tone of Psalm 30:4.
Job 3:11: Why died I not from the womb? [why] did I [not] give up the ghost when I came out of the belly?