...new ideas are merely several old thoughts that occur at the exact same time. - Jonah Lehrer

We need to be willing to risk embarrassment, ask silly questions, surround ourselves with people who don't know what we're talking about. We need to leave behind the safety of our expertise.

You break out of the box by stepping into shackles.
From Imagine: How Creativity Works pg 23 (hardcover)

Unless you experience the unpleasant symptoms of being wrong, your brain will never revise its models. Before your neurons can succeed, they must repeatedly fail. There are no shortcuts for this painstaking process.