How would look down your past programming journeys?

As we know everyone does make mistakes and mistakes are the way to learn the things.

"If you are not making any mistakes then either you have done same thing many times before or you haven't done"

It was quite hard when you really first started learning programming it took months, years for you to write code fluently. Now you have had so many experiences and felt that its all about how to see the problem and get solution. So what things should one consider before solving a problem (i.e learn to code / make app/ make project etc)/