evangelists

The self-righteousness and other ego-puffery that makes missionaries and evangelists out of Christians is in truth a measure of how far they are from even the one thing they think is most certainly true, i.e. the confidence that they are truly Christians.

The first 90 percent of a revolution is creating the product or service; the second 90 percent is evangelizing it. At the beginning of a revolution, you need evangelists, not sales, because leverage spreads news.