[lqet]

A group of people integrated by a lie can achieve things orders of magnitude greater than the same number of mavericks living their lives fully grounded on evident truths. This is the evolutionary explanation of religion/cults in a nutshell.

[katzgrau]

Integrated by a belief? Whether it's true or not is irrelevant and subjective.

[lqet]

I agree, belief is the better word here.