"“A long habit of not thinking a thing wrong gives it a superficial appearance of being right.” — Thomas Paine
This is the danger of not questioning our assumptions and not examining different ways of looking at an issue. We'll also generally look for ways to justify our actions and thinking....
Critical thinking is crucial for good decision-making. Here are some great TED talks to help understand how we make choices.
Philosopher Dan Dennett makes a compelling argument that not only don't we understand our own consciousness, but that half the time our brains are actively fooling us.