John 15:12-17
12My command is this: Love each other as I have loved you. 13Greater love has no one than this, that he lay down his life for his friends. 14You are my friends if you do what I command. 15I no longer call you servants, because a servant does not know his master's business. Instead, I have called you friends, for everything that I learned from my Father I have made known to you. 16You did not choose me, but I chose you and appointed you to go and bear fruit-fruit that will last. Then the Father will give you whatever you ask in my name. 17This is my command: Love each other.
James 4:4
4You adulterous people, don't you know that friendship with the world is hatred toward God? Anyone who chooses to be a friend of the world becomes an enemy of God.