What do you think of the book's central theme that we as individuals can make a difference "one cup of tea at a time"?

Three Cups of Tea by Greg Mortenson

Join our online discussion of "Three Cups of Tea" by Greg Mortenson here:

The following quote describes Mortenson's transformation from a mountaineer to a humanitarian: "One evening, he went to bed by a yak dung fire a mountaineer who'd lost his way, and one morning, by the time he'd shared a pot of butter tea with his hosts and laced up his boots, he'd become a humanitarian who'd found a meaningful path to follow for the rest of his life." What events or factors in his life impacted his change of direction?