Ecclesiastes 7:18 states that the one who fears God will come out from all harm, directly reinforcing the same promised outcome for the God-fearing.

Ecclesiastes 7:15 directly states the same observation: a wicked man prolongs his life in evildoing—the very scenario 8:12 acknowledges before affirming the righteous hope.

Ecclesiastes 9:2 states the same fate for righteous and wicked — directly opposing the assurance that it will be well for the God-fearing.

Ecclesiastes 3:14 explains that God’s enduring works lead people to fear him — the same reverence that brings well-being in 8:12.

Ecclesiastes 5:7 calls for fearing God amid vanity — the same foundation that assures well-being in Ecclesiastes 8:12.

Isaiah 65:13 contrasts servants who eat/drink/rejoice with those who hunger/thirst/shamed — echoing the reversal of fortunes for those who fear God.

Proverbs 13:21 states 'Disaster pursues sinners, but the righteous are rewarded'—directly echoing 8:12's contrast between the wicked's apparent success and the righteous' sure reward.

Proverbs 1:33 promises security and ease without dread for those who listen, paralleling the well-being of the God-fearing.

Isaiah 3:10 directly tells the righteous it will be well with them, almost identical to the assurance in Ecclesiastes for those who fear God.

Psalm 115:13 states that God will bless those who fear Him, both small and great, directly paralleling the assurance of well-being.

Psalm 112:1 directly blesses the man who fears the Lord, echoing the same promise of well-being for the God-fearing.

Isaiah 3:11 pronounces woe on the wicked — confirming the flip side: the righteous will be well, the wicked will not.

Psalm 37:18 says the Lord knows the blameless and their heritage remains forever, reinforcing the lasting well-being for the righteous.

Isaiah 65:14 continues the contrast: servants sing for gladness, others cry out in pain — reinforcing the well-being of the faithful.

Matthew 25:34 shows the King inviting the blessed to inherit the kingdom — the ultimate fulfillment of 'well' for those who fear God.

Matthew 25:41-46 depicts the cursed sent to eternal fire — the final consequence for the wicked, complementing the safety of the righteous.

Luke 1:50 states God’s mercy is for those who fear him — directly supporting the assurance that it will be well for them.

Romans 2:5 warns that a hard heart stores up wrath for judgment day—illuminating the ultimate consequence behind the wicked's temporary prosperity in 8:12.

2 Peter 2:9 affirms God's rescue of the godly and punishment of the unrighteous, echoing the assurance that it will be well for those who fear God.

Revelation 11:18 promises reward for those who fear God and destruction for the wicked — a clear eschatological parallel to Ecclesiastes' outcome.

Matthew 10:28 commands fear of God over man — directly reinforcing the same reverence central to Ecclesiastes' promise.

1 Timothy 4:8 affirms that godliness profits in this life and the next — confirming Ecclesiastes' assurance that it will be well for those who fear God.

Genesis 22:12 explicitly mentions 'fear God' — Abraham's fear leads to blessing, illustrating the principle in Ecclesiastes.

Psalm 128:2 promises blessing and that 'it shall be well with you' for those who fear God — the same phrase and assurance as Ecclesiastes 8:12.

Psalm 73:17 resolves the prosperity of the wicked by seeing their end in God's sanctuary — exactly the insight that it will be well for the righteous.

Psalm 32:10 directly parallels: the wicked have sorrows, but steadfast love surrounds the one who trusts the LORD — reinforcing the promise for the God-fearing.

Deuteronomy 6:3 promises 'it may go well with you' for obeying God — same logic as fearing God leading to well-being.

Exodus 1:21 gives the reason: because they feared God, he gave them families — a direct reward for fearing God.

Exodus 1:20 states God dealt well with the midwives — a concrete fulfillment of 'it will be well for those who fear God'.

Exodus 1:17 shows midwives fearing God by disobeying Pharaoh — a direct example of fearing God that leads to well-being (v.20).

1 Kings 22:35 continues Ahab's death scene—reinforcing that the wicked's prolonged life ends in judgment, which aligns with 8:12's assurance that it goes well for the righteous.

1 Kings 22:34 narrates Ahab's fatal wound—showing the eventual downfall of the wicked man whose life was prolonged, illustrating the hidden judgment behind 8:12.

Psalm 37:19 promises that the righteous are not shamed in evil times and have abundance in famine, a specific instance of the well-being assured in Ecclesiastes.

Psalm 37:11 promises that the meek will inherit the land and have abundant peace, a specific blessing paralleling the general well-being of those who fear God.

1 Kings 21:25 highlights Ahab's unparalleled evil—a concrete example of the 'sinner doing evil' that 8:12 speaks of, though Ahab's death follows soon after.