Contradiction with Proverbs 1:28
This verse suggests that there will be a time when people seek God but will not find Him, which contradicts the invitation to seek the Lord while He may be found in Isaiah 55:6.
Proverbs 1:28: Then shall they call upon me, but I will not answer; they shall seek me early, but they shall not find me:
Contradiction with Matthew 7:7
This verse promises that seeking will always result in finding, unlike Isaiah 55:6 which implies there might be a limited time to find God.
Matthew 7:7: Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you:
Contradiction with Romans 3:11
This verse states that no one seeks after God, which contradicts Isaiah 55:6's urging to seek the Lord.
Romans 3:11: There is none that understandeth, there is none that seeketh after God.
Contradiction with Jeremiah 29:13
This verse assures that those who seek God with all their heart will find Him, which contrasts with the notion in Isaiah 55:6 of the urgency or limited opportunity to seek God.
Jeremiah 29:13: And ye shall seek me, and find [me], when ye shall search for me with all your heart.
Contradiction with Luke 13:24
This verse warns that many will seek to enter the kingdom and will not be able, implying a limitation that contrasts with the open invitation of Isaiah 55:6.
Luke 13:24: Strive to enter in at the strait gate: for many, I say unto you, will seek to enter in, and shall not be able.