Have you ever been consumed by thoughts like “I am useless, I am stupid, I never get things right”? I am sure you have. If we would research the prevalence of self-criticism, we would probably find that it exists in epidemic proportions. No matter how good your intentions were that motivated you to engage in a project, if it fails self-criticism of the above nature can become an uninvited guest.
Every person makes mistakes. Carl Jung is quoted to have said “(man/woman) …learns little or nothing from his successes. They mainly confirm him in his mistakes, while his failures, on the other hand, are priceless experiences in that they not only open up the way to a deeper truth, but force him to change his views and methods”. Mistakes are the pearls that pave the way to greater knowledge and wisdom.