There are three types of people 👫.

1-) Those who learn from their mistakes.

It's not pretty easy as it might sound. But people really do learn from their mistakes. Some more than others.
In different fields, manners, things. All depending on who and of the circumstances.

2-) Those who learn from other's mistakes.

Some people don't believe that people can learn from other's mistakes.

Very few people have this capacity. It is very...