Learning agility is the capacity for rapid, continuous learning from experience. It is the ability to let go of perspectives or approaches that are no longer useful. People with this mindset are open to new experiences. They experiment, seek feedback, and reflect systematical.
People who have grit persevere when they fail because they believe that failure is not a permanent condition.
Download Success Habits – Grit
Confidence can be a self-fulfilling prophecy as those without it may fail or not try because they lack it and those with it may succeed because they have it rather than because of an innate ability.- Wikipedia