The Thinking Behind The Tweet
Lou Holtz, the famed Notre Dame football coach, said something like: "Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it."
What is Ability? The key to ability is Personal Strengths and Personal Strengths = Natural Talents + Pertinent Knowledge + Skill development through practice. [link to Strengths]
What is Motivation? Motivation is an internal driver that makes you want to understand the [external] world and exert your influence on it. [link to Will to Power]
What is Attitude? Positive Mental Attitude exists when your mind is able to guide and focus your thoughts and actions toward your desired ends/goals.