This article elucidates 61 ways we deceive ourselves.

Of them all, survivorship bias is the one that resonates most with me:

An error that comes from focusing only on surviving examples, causing us to misevaluate a situation.

For instance, we might think that being an entrepreneur is easy because we haven't heard of all of the entrepreneurs that have failed.

It can also cause us to assume that survivors are inordinately better than failures, without regard for the importance of luck.

It's amazing to me that humans have so many biases that lead us to wrong decisions.

Read more: http://www.businessinsider.com/common-behavioral-biases-2012-5?op=1

See also Tim Richard's Psi-Fi blog: http://www.psyfitec.com/p/list-of-behavioral-biases.html