Prejudice is an Enemy of Reason

We shall expose the origin and trace the history of general errors, which have more or less contributed to retard or suspend the advance of reason, and sometimes even, as much as political events, have been the cause of man’s taking a retrograde course towards ignorance. Those operations of the mind that lead to or retain us in error, from the subtle paralogism, by which the most penetrating mind may be deceived, to the mad reveries of enthusiasts, belong equally, with that just mode of reas...

 An Exercise for Cultivating a Positive Outlook on Life

It's possible to change your cognitive bias by training the brain to focus more on the positive than on the negative. In the lab, Dr. Fox showed subjects pairs of images, one negative (the aftermath of a bomb blast, say) and one either positive (a cute child) or neutral (an office). Participants were asked to point out, as quickly as possible, a small target that appeared immediately after each positive or neutral image—subliminally requiring them to pay less attention to the negative images,...