NOTES

1. Mary Oliver, “The Summer Day,” New and Selected Poems (Boston: Beacon Press, 1992), 94.

2. Robert D. Putnam, Bowling Alone: The Collapse and Revival of American Community (New York: Simon & Schuster, 2000), 402.

3. John T. Cacioppo and William Patrick, Loneliness: Human Nature and the Need for Social Connection (New York: W. W. Norton & Company, 2008), 248–69.

4. Bruce W. Tuckman, “Developmental Sequence in Small Groups,” Psychology Bulletin 63 (1965): 384–99.

5. Malcolm Gladwell, “The Cellular Church,” The New Yorker, September 2005.

6. Conversation between Willow Creek Community Church Senior Pastor Bill Hybels, Willow Creek Leadership Summit Executive Director Steve Spoelhof, and Bill George, South Barrington, Illinois, May 16, 2008. ...

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