The "Wisdom of the Crowd" vs "The Mass is Ass"

If most of the people agree with you, you're probably wrong.

He who follows the crowd gets lost.

...detachment from the general mass of people; accepting the importance of self-realization; and philosophical search for the Absolute Truth -- all these I declare to be knowledge, and besides this whatever there may be is ignorance.

- Bhagavad-gita 13.12

"Crowds go wrong when diversity really breaks down," Surowiecki says. Lack of diversity, Surowiecki explains occurs when independent thought within the crowd ceases. He adds that, "crowds also break down when people start paying too much attention to what those around them are doing."

- The Crowd Knows Best -
Statistics Show Accurate Advice And Solid Solutions Hail From The Masses (CBS News)