Why do we need to study failure in depth? Here are a few reasons:

1. Failure is not the end, but an opportunity to grow. Life is not about pursuing success only once, but about accumulating experience through continuous attempts and failures, and eventually moving towards success. Success and failure complement each other. By avoiding failure, we can indeed increase the possibility of success, but more importantly, we should learn lessons from failure and pave the way for future success.

2. The factors of success may be diverse, but the causes of failure often have commonalities. By studying failure, we can discover the general laws that lead to failure, so as to avoid repeating the same mistakes in future actions.

3. The experience of failure can deepen our understanding of the nature of success. Only after facing and overcoming failure can we have a deeper understanding of the conditions, strategies and mentality required for success. Every failure is a valuable experience that brings us closer to the true meaning of success.

4. Everything is just beginning. No matter how many times we have failed, we should not be discouraged or give up. Every failure is a new starting point. As long as we maintain a positive attitude, continue to learn and improve, we will surely be able to usher in our own success.