Process is more important than outcome. When the outcome drives the process we will only ever go to where we've already been. If process drives outcome we may not know where we’re going, but we will know we want to be there.
Capture accidents. The wrong answer is the right answer in search of a different question. Collect wrong answers as part of the process. Ask different questions.
Make mistakes faster. This isn't my idea -- I borrowed it. I think it belongs to Andy Grove.