Ecclesiastes 4:9-10, 12
Ecclesiastes 4:9-10 NIV
Two are better than one, because they have a good return for their labor: If either of them falls down, one can help the other up. But pity anyone who falls and has no one to help them up.
Ecclesiastes 4:12 NIV
Though one may be overpowered, two can defend themselves. A cord of three strands is not quickly broken.