Prov 27:17 Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
John 15:12 This is my commandment, That ye love one another, as I have loved you.
John 15:13 Greater love hath no man than this, that a man lay down his life for his friends.
John 15:14 Ye are my friends, if ye do whatsoever I command you.
John 15:15 Henceforth I call you not servants; for the servant knoweth not what his lord doeth: but I have called you friends; for all things that I have heard of my Father I have made known unto you.