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

Matt 28:20, 
"Teaching them to observe all things whatsoever I have commanded you: and, lo, I am with you alway, even unto the end of the world. Amen."

John 14:18, 
"I will not leave you comfortless: I will come to you."

John 15:13-15, 
" Greater love hath no man than this, that a man lay down his life for his friends. Ye are my friends, if ye do whatsoever I command you. 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."