Ecclesiastes 4:12

{Although an assailant may overpower one person, two may withstand him}. A threefold cord {is not easily broken}!

Daniel 3:16-17

Shadrach, Meshach and Abednego answered and said to the king, Nebuchadnezzar, "We have no need on this matter {to present a defense to you}.

2 Samuel 23:18-19

Now Abishai the brother of Joab the son of Zeruiah [was] himself the leader of the thirty. He [was] wielding his spear against three hundred slain and {gained a name} among the thirty.

2 Samuel 23:23

He [was] honored more than the thirty, but he did not come up to the three. David appointed him in charge of his bodyguard.

2 Samuel 23:9

Next to him Eleazar, the son of Dodo the son of an Ahohite, [was] among the three mighty warriors with David when they defied the Philistines and they gathered there for the battle and the men of Israel withdrew.

2 Samuel 23:16

So three of the mighty warriors broke into the camp of [the] Philistines, and they drew water from the well of Bethlehem that [was] at the gate, and they carried [it] and brought [it] to David. But he [was] not willing to drink it, but poured it out to Yahweh.

Ephesians 4:3

being eager to keep the unity of the Spirit in the bond of peace;

Treasury of Scripture Knowledge

Summary

And if one prevail against him, two shall withstand him; and a threefold cord is not quickly broken.

General references

Bible References

And a

2 Samuel 23:9
Next to him Eleazar, the son of Dodo the son of an Ahohite, [was] among the three mighty warriors with David when they defied the Philistines and they gathered there for the battle and the men of Israel withdrew.
Daniel 3:16
Shadrach, Meshach and Abednego answered and said to the king, Nebuchadnezzar, "We have no need on this matter {to present a defense to you}.
Ephesians 4:3
being eager to keep the unity of the Spirit in the bond of peace;

General references

1 Corinthians 12:22
But by much more the members of the body which are thought to be weaker are necessary,