Jimmy Wales recalls how he assembled “a ragtag band of volunteers,” gave them tools for collaborating and created Wikipedia, the self-organizing, self-correcting, never-finished online encyclopedia.

Wikipedia represents a belief in the supremacy of reason and the goodness of others. … From the respectful clash of opposing viewpoints and the combined wisdom of the many, something resembling the truth will emerge. Most of the time.” — WIRED

Here’s the video on the birth of Wikipedia