It ain’t what you don’t know that gets you into trouble. It’s what you know for sure that just ain’t so.
You can’t just live in a padded box. I don’t want to.
1) Talk about Your Uncertainty with Partners
2) Observe Conditions to Reduce Your Uncertainty
3) Know that Deep Slab Equals High Uncertainty
Are you going to draw the line with a fine-tipped pen and stand with your toes dangling over the edge, or are you going to draw it in fat Sharpee and take three steps back?
4) Keep a Margin for Error
5) Back Off If You Are Uncertain