Contradiction with Isaiah 28:21
This verse depicts the Lord as performing "his strange work," which includes judgment, contrasting with the patience and grace highlighted in Isaiah 30:18.
Isaiah 28:21: For the LORD shall rise up as [in] mount Perazim, he shall be wroth as [in] the valley of Gibeon, that he may do his work, his strange work; and bring to pass his act, his strange act.
Contradiction with Exodus 34:7
God is described as being merciful but also mentions not clearing the guilty, which contrasts with the promise to show mercy in Isaiah 30:18.
Exodus 34:7: Keeping mercy for thousands, forgiving iniquity and transgression and sin, and that will by no means clear [the guilty]; visiting the iniquity of the fathers upon the children, and upon the children's children, unto the third and to the fourth [generation].
Contradiction with Malachi 1:3
This verse speaks of God hating Esau and laying waste to his mountains, which contrasts with the message of grace in Isaiah 30:18.
Malachi 1:3: And I hated Esau, and laid his mountains and his heritage waste for the dragons of the wilderness.
Contradiction with Nahum 1:2
This verse describes God as avenging and wrathful, which stands in contrast to the awaiting to be gracious in Isaiah 30:18.
Nahum 1:2: God [is] jealous, and the LORD revengeth; the LORD revengeth, and [is] furious; the LORD will take vengeance on his adversaries, and he reserveth [wrath] for his enemies. [God...: or, The LORD is a jealous God, and a revenger, etc] [is furious: Heb. that hath fury]
Contradiction with Revelation 6:16-17
Here, God's wrath is described when He judges, contradicting the patience and mercy in Isaiah 30:18.
Revelation 6:16-17: And said to the mountains and rocks, Fall on us, and hide us from the face of him that sitteth on the throne, and from the wrath of the Lamb:
Paradox #1
Isaiah 30:18 is about God's kindness and willingness to forgive and bless those who wait for Him. A potential moral conflict might arise when this idea is compared to other parts of the Bible where God is portrayed as more judgmental or punishing. This could seem contradictory to some people who question how God can be both forgiving and punishing at different times.