Contradiction with Isaiah 40:1
While Isaiah 15:4 describes a scene of wailing and despair, Isaiah 40:1 begins a section of comfort and hope for God's people.
Isaiah 40:1: Comfort ye, comfort ye my people, saith your God.
Contradiction with Psalm 30:5
Isaiah 15:4 depicts continued sorrow, whereas Psalm 30:5 speaks of joy coming in the morning after a period of weeping.
Psalm 30:5: For his anger [endureth but] a moment; in his favour [is] life: weeping may endure for a night, but joy [cometh] in the morning. [his anger...: Heb. there is but a moment in his anger] [for a night: Heb. in the evening] [joy: Heb. singing]
Contradiction with Revelation 21:4
In contrast to the mourning in Isaiah 15:4, Revelation 21:4 describes a future without tears or crying, highlighting a complete opposite state.
Revelation 21:4: And God shall wipe away all tears from their eyes; and there shall be no more death, neither sorrow, nor crying, neither shall there be any more pain: for the former things are passed away.
Contradiction with Ecclesiastes 3:4
While Isaiah 15:4 emphasizes mourning, Ecclesiastes 3:4 talks about there being a time for both mourning and dancing, suggesting a balance in life's experiences.
Ecclesiastes 3:4: A time to weep, and a time to laugh; a time to mourn, and a time to dance;
Contradiction with Isaiah 61:3
Isaiah 15:4 focuses on lamentation, yet Isaiah 61:3 provides a promise of comfort and a garment of praise instead of a spirit of despair.
Isaiah 61:3: To appoint unto them that mourn in Zion, to give unto them beauty for ashes, the oil of joy for mourning, the garment of praise for the spirit of heaviness; that they might be called trees of righteousness, the planting of the LORD, that he might be glorified.