You will trust this post if you agree with it: Rationalizing Animal #2

"Men readily believe what they want to believe." —Julius Caesar

"The human understanding when it has once adopted an opinion (either as being the received opinion or as being agreeable to itself) draws all things else to support and agree with it." —Francis Bacon

Confirmation Bias is the human tendency to trust information that supports our beliefs and reject information that doesn't. I can only think of one reason why humans would benefit from confirmation bias: it's easiest to be a happy memb...