Ecclesiastes 4:10
For if they fall, the one will lift up his fellow: but woe to him that is alone when he falleth; for he hath not another to help him up.
Cross-reference
Genesis 4:8 shows Cain killing his brother Abel — the tragic opposite of lifting up a fallen companion.
1 Samuel 23:16 says Jonathan strengthened David's hand in God — a perfect example of someone helping a companion who has fallen, fulfilling Ecclesiastes 4:10.
In Job 4:4, 'upheld him who was stumbling' directly mirrors lifting up a fallen companion from Ecclesiastes 4:10.
In Luke 22:32, Jesus prays for Peter's faith and then commands him to strengthen others — a direct example of lifting up a fallen brother.
In Galatians 6:1, Paul instructs restoring a fallen brother gently — a direct application of the principle in Ecclesiastes.
1 Thessalonians 5:11 calls believers to encourage and build each other up — a NT application of the same mutual support principle.
Mark 6:7 shows Jesus sending disciples out two by two — a practical adoption of the principle that companionship strengthens ministry.
In 2 Samuel 12:7-14, Nathan lifts up David by confronting his sin — a powerful example of a companion helping another who has fallen morally.
2 Samuel 14:6 describes two sons quarreling with no one to separate them, resulting in death — a real-world example of the woe of being alone.