Authors:

If you treat your beta-testers as if they're your most valuable resource, they will respond by becoming your most valuable resource.

Eric S. Raymond (2001). “The Cathedral & the Bazaar: Musings on Linux and Open Source by an Accidental Revolutionary”, p.38, "O'Reilly Media, Inc."
If you treat your beta-testers as if they're your most valuable resource, they will respond by becoming your most valuable resource.