Contradiction with Matthew 6:1
Jesus warns against doing charitable acts to be seen by others, which contrasts with the idea of receiving a reward for actions in Luke 14:14.
Matthew 6:1: Take heed that ye do not your alms before men, to be seen of them: otherwise ye have no reward of your Father which is in heaven. [alms: or, righteousness] [of your: or, with your]
Contradiction with Proverbs 19:17
Suggests that giving to the poor is lending to the Lord and will be repaid by God, seemingly offering a guarantee of repayment rather than the potential reward suggested in Luke 14:14.
Proverbs 19:17: He that hath pity upon the poor lendeth unto the LORD; and that which he hath given will he pay him again. [that which...: or, his deed]
Contradiction with Luke 16:9
Advises using worldly wealth to gain friends, which appears to suggest a different kind of reward than that mentioned in Luke 14:14.
Luke 16:9: And I say unto you, Make to yourselves friends of the mammon of unrighteousness; that, when ye fail, they may receive you into everlasting habitations. [mammon: or, riches]
Contradiction with 1 Corinthians 13:3
Emphasizes that deeds, including giving to the poor, without love mean nothing, which could be seen as contrasting with the reward aspect in Luke 14:14.
1 Corinthians 13:3: And though I bestow all my goods to feed [the poor], and though I give my body to be burned, and have not charity, it profiteth me nothing.