Contradiction with Matthew 6:19-20
Ecclesiastes 2:8 speaks of gathering wealth, while Matthew 6:19-20 advises against laying up treasures on earth.
Matthew 6:19-20: Lay not up for yourselves treasures upon earth, where moth and rust doth corrupt, and where thieves break through and steal:
Contradiction with 1 Timothy 6:10
Ecclesiastes 2:8 emphasizes amassing wealth, while 1 Timothy 6:10 warns that the love of money is the root of all evil.
1 Timothy 6:10: For the love of money is the root of all evil: which while some coveted after, they have erred from the faith, and pierced themselves through with many sorrows. [erred: or, been seduced]
Contradiction with Luke 12:15
Ecclesiastes 2:8 reflects on acquiring riches, whereas Luke 12:15 warns against greed and valuing life by possessions.
Luke 12:15: And he said unto them, Take heed, and beware of covetousness: for a man's life consisteth not in the abundance of the things which he possesseth.
Contradiction with Proverbs 23:4-5
Ecclesiastes 2:8 involves amassing wealth, but Proverbs 23:4-5 advises against laboring to be rich as wealth is fleeting.
Proverbs 23:4-5: Labour not to be rich: cease from thine own wisdom.
Contradiction with James 5:1-3
Ecclesiastes 2:8 describes accumulating riches, while James 5:1-3 warns the rich of the misery that awaits them.
James 5:1-3: Go to now, [ye] rich men, weep and howl for your miseries that shall come upon [you].
Contradiction with Hebrews 13:5
Ecclesiastes 2:8 discusses gathering wealth, whereas Hebrews 13:5 encourages contentment and not coveting money.
Hebrews 13:5: [Let your] conversation [be] without covetousness; [and be] content with such things as ye have: for he hath said, I will never leave thee, nor forsake thee.
Paradox #1
Ecclesiastes 2:8 discusses the accumulation of wealth and pleasures. The contradiction or conflict could be that while wealth and pleasures are pursued for happiness, the verse later suggests that these do not ultimately satisfy or bring true meaning to life. This contrasts with other biblical teachings that emphasize spiritual fulfillment over material riches.