Contradiction with Proverbs 11:24
Nehemiah 5:18 shows generosity by providing for others, while Proverbs 11:24 suggests that being generous can lead to poverty.
Proverbs 11:24: There is that scattereth, and yet increaseth; and [there is] that withholdeth more than is meet, but [it tendeth] to poverty.
Contradiction with Luke 14:12-14
Nehemiah 5:18 involves hosting a great feast, whereas Luke 14:12-14 advises against inviting those who can repay you.
Luke 14:12-14: Then said he also to him that bade him, When thou makest a dinner or a supper, call not thy friends, nor thy brethren, neither thy kinsmen, nor [thy] rich neighbours; lest they also bid thee again, and a recompence be made thee.