"The sin is not that we are biased in this way--and we are ALL biased. The sin is that we pretend that we aren't biased and fail to address the inequities that our prejudice creates."

That means you.

Buried Prejudice: The Bigot in Your Brain
Deep within our subconscious, all of us harbor biases that we consciously abhor. And the worst part is: we act on them
By Siri Carpenter
Scientific American, May 2008