Everyone makes mistakes and that is an undeniable fact but it is precisely what makes us better than we were before.
Most successful people always learn where they went wrong so they don't do the same thing in the future. this is an important thing because regardless of anything we must also be grateful for the mistakes we made before because mistakes can be more learning so that we become perfect.
I remember the words of Robert Zoellick who said that
All of us make mistakes. The key is to acknowledge them, learn, and move on. The real sin is ignoring mistakes, or worse, seeking to hide them.
In this case I agree because admitting mistakes is something important that must be done but the problem is that there are so many who don't see that and keep trying to be selfish that it's not a mistake that complicates them.
To be successful we have to be more mature and try to admit all mistakes so that later we can change things because mistakes are the most real human shortcoming but learning from mistakes is the strength we have so that life becomes better.