“To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.”

This was written by Ralph Waldo Emerson

Now what does it mean?

Meaning

Being yourself is very hard. Especially in the early stages when you're still fully learning who you are. Also, the fact that people try to stop you from becoming who you are.

But I can say off experience. It is the best thing to beat.