By Linda Fisher Thornton How we think about something will impact what we do about it. To be ready to handle difficult challenges, our thinking needs to stretch to help us adapt. Nick Petrie, Center For Creative Leadership, writes in Vertical Leadership Development Part I that "In terms of leadership, the stage from which you are thinking and acting matters a lot. To be effective, the leader’s thinking must be equal or superior to the complexity of the environment." An "Un-Fixed" MindsetThe environment is constantly changing and increasing in complexity. When we change our thinking, we change our capacity. Capability, or what we can do, is still important, but it won't get us far if we're using an outdated mindset.