I disagree. I think you can be both rational and biased by operating with incomplete information. Potentially less polarizing: Aristotle when developing his th

I disagree. I think you can be both rational and biased by operating with incomplete information. Potentially less polarizing: Aristotle when developing his theories of violent vs natural motion. I would not call him unbiased for theorizing without looking outside. You can't claim to be unbiased from just individual experiences, you need to attempt to understand the whole picture.