If you could go back and change things, you might not be the person you are right now.

You have to change things in order to get to where you want to go. And things might get worse. But if you're not getting where you want to be, already, in a sense, it's as bad as it can get.

If you want to change things, it requires bravery.

It's not going to be easy to change things.

The point of the essay is to change things.

If you're going to change things, you have to be with the people who hold the levers.