Contradiction with Matthew 5:3
This verse speaks of the blessedness of those who are poor in spirit, which contrasts with Isaiah 49:19's imagery of abundance as the land becomes too narrow due to its population.
Matthew 5:3: Blessed [are] the poor in spirit: for theirs is the kingdom of heaven.
Contradiction with Luke 6:20
Here, Jesus blesses the poor as inheritors of God's kingdom, whereas Isaiah 49:19 describes a scenario of crowded prosperity.
Luke 6:20: And he lifted up his eyes on his disciples, and said, Blessed [be ye] poor: for yours is the kingdom of God.
Contradiction with James 2:5
This verse highlights God's choice of the poor to be rich in faith and heirs of the kingdom, which contrasts with the overflowing abundance depicted in Isaiah 49:19.
James 2:5: Hearken, my beloved brethren, Hath not God chosen the poor of this world rich in faith, and heirs of the kingdom which he hath promised to them that love him? [of the: or, of that]