Believes about mistakes can prevent teams from working at full speed. Your culture about mistakes makes the difference between being a top performing and someone from the heap. So, knowing how to approach mistakes in the most productive way and building a culture around that is a skill that will make the difference.

Technical debt are decisions we make during development that we know are not optimal because they require more work to get optimal but we decide to deal with the consequences because we see more value in delivering at that time.

The importance of using the right metrics
"When a measure becomes a target, it ceases to be a good measure."