Ye are my friends, if ye do whatsoever I command you. (John 15:14)

A man that hath friends must shew himself friendly: and there is a friend that sticketh closer than a brother. (Proverbs 18:24)

Proverbs 18:24 (KJV)

Iron sharpeneth iron; so a man sharpeneth the countenance of his friend. (Proverbs 27:17)

Proverbs 27:17 (KJV)

Faithful are the wounds of a friend; but the kisses of an enemy are deceitful. (Proverbs 27:6)

Proverbs 27:6 (KJV)

And it came to pass... that the soul of Jonathan was knit with the soul of David, and Jonathan loved him as his own soul. (1 Samuel 18:1)

1 Samuel 18:1 (KJV)

Then Jonathan and David made a covenant, because he loved him as his own soul. (1 Samuel 18:3)

1 Samuel 18:3 (KJV)

I am distressed for thee, my brother Jonathan: very pleasant hast thou been unto me: thy love to me was wonderful, passing the love of women. (2 Samuel 1:26)

2 Samuel 1:26 (KJV)