&gt; you are basically saying that those that don&#x27;t have success don&#x27;t have grit<p>I don&#x27;t remember saying that - please point out where I did.<p>Thinking about your success in terms of factors you can control can improve your chances of success if you draw confidence from that philosophy, and lots of people do. The appearance of confidence (and the correlation between confidence and appearing confident) has been shown to improve chances of success in various situations.