Contradiction with Ecclesiastes 3:4
Ecclesiastes notes there is "a time to mourn," suggesting mourning as an acceptable, even necessary, emotional state, whereas Psalms 30:12 emphasizes eternal thanksgiving and joy.
Ecclesiastes 3:4: A time to weep, and a time to laugh; a time to mourn, and a time to dance;
Contradiction with Job 7:11
Job expresses unrestrained sorrow and anguish, which contrasts with the continual joy and praise to God described in Psalms 30:12.
Job 7:11: Therefore I will not refrain my mouth; I will speak in the anguish of my spirit; I will complain in the bitterness of my soul.
Contradiction with Lamentations 3:17
Lamentations speaks of the soul being far from peace, opposing the sentiment of unending praise and joy in God found in Psalms 30:12.
Lamentations 3:17: And thou hast removed my soul far off from peace: I forgat prosperity. [prosperity: Heb. good]
Contradiction with Matthew 5:4
Jesus blesses those who mourn, indicating mourning as a virtue, whereas Psalms 30:12 focuses on unbroken joy and praise.
Matthew 5:4: Blessed [are] they that mourn: for they shall be comforted.
Contradiction with Jeremiah 8:18
Jeremiah expresses deep sorrow and a lack of comfort, contrasting the spirit of joyful praise in Psalms 30:12.
Jeremiah 8:18: [When] I would comfort myself against sorrow, my heart [is] faint in me. [in: Heb. upon]