Ecclesiastes 7:28 continues the search for wisdom, admitting it has not been found—directly tied to the deep mystery stated here.

Ecclesiastes 8:17 explicitly states that no one can find out the work of God—a direct reinforcement of this verse's point.

Ecclesiastes 11:5 uses the mystery of the wind to illustrate human ignorance—similar theme of hidden knowledge.

Ecclesiastes 1:8 speaks of the inability to fully grasp or express all things—a parallel to the unfathomable depth here.

Job 11:7 asks the same question: can anyone find out the deep things of God? Both affirm the impossibility.

Romans 11:33 echoes this same wonder at the unsearchable depth of God's wisdom and knowledge.

Isaiah 55:9 extends the comparison: God's ways are higher than the heavens, matching the 'far off and deep' of Ecclesiastes.

Isaiah 55:8 states God's thoughts are not our thoughts, reinforcing the vast gap between human and divine understanding.

Psalm 139:6 declares God's knowledge too high and unattainable, directly paralleling the Preacher's admission of inability to find it.

Job 28:28 answers the rhetorical question: wisdom is found in fearing God, not in deep searching—a complementary resolution.

Job 28:12-23 describes wisdom as hidden from all living, unattainable by searching—exactly the same theme of inaccessible wisdom.

Job 11:8 continues the metaphor: God's wisdom is higher than heaven and deeper than Sheol, echoing the 'deep, very deep' here.

Deuteronomy 30:11-14 directly contrasts: God's command is near and accessible, not far off like the wisdom described here.

Psalm 92:5 declares God's thoughts are very deep—mirroring the idea that true understanding is far off.

Job 28:20 asks the same question about where wisdom comes from, reinforcing the hiddenness of wisdom.

Psalm 36:6 compares God's judgments to the great deep, using similar language of depth to describe divine incomprehensibility.

1 Timothy 6:16 describes God dwelling in unapproachable light—a parallel to the deep, unfathomable things here.