Proverbs 18: 24

²⁴A man that hath friends must shew himself friendly: and there is a friend that sticketh closer than a brother.

Proverbs 17: 17

¹⁷A friend loveth at all times, and a brother is born for adversity.

1 Samuel 20: 42

⁴²And Jonathan said to David, Go in peace, forasmuch as we have sworn both of us in the name of the LORD, saying, The LORD be between me and thee, and between my seed and thy seed for ever. And he arose and departed: and Jonathan went into the city.

Ruth 1: 16 - 17

¹⁶And Ruth said, Entreat me not to leave thee, or to return from following after thee: for whither thou goest, I will go; and where thou lodgest, I will lodge: thy people shall be my people, and thy God my God:
¹⁷Where thou diest, will I die, and there will I be buried: the LORD do so to me, and more also, if ought but death part thee and me.

Ecclesiastes 4: 9 - 12

⁹Two are better than one; because they have a good reward for their labour.
¹⁰For 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.
¹¹Again, if two lie together, then they have heat: but how can one be warm alone?
¹²And if one prevail against him, two shall withstand him; and a threefold cord is not quickly broken.

John 15: 12 - 13

¹²This is my commandment, That ye love one another, as I have loved you.
¹³Greater love hath no man than this, that a man lay down his life for his friends.