Although Jack Donavan's recent NPI talk wasn't specifically discussing Christianity, his insights on insular community and subversive counter cultural lifestyle echo many of the Biblical principles used to describe the Church. Verses that come to mind:

"As we therefore have opportunity, let us do good unto all men, especially unto those who are of the household of faith." (Galatians 6:9-11)

"And all who believed were together and had all things in common. And they were selling their possessions and belongings and distributing the proceeds to all, as any had need." (Acts 2:44-45)

"[Be] kindly affectioned one to another with brotherly love; in honour preferring one another;" (Romans 12:10)

"If the world hate you, ye know that it hated me before it hated you. If ye were of the world, the world would love his own: but because ye are not of the world, but I have chosen you out of the world, therefore the world hateth you." (John 15.18-19)

"The world cannot hate you, but it hates Me because I testify of it that its works are evil." (John 7:7)