You can not changes others, you can only change yourself.

You can not changes what happens, you can only change how you respond.

You can not change what happened in the past, you can only change who or what you will be in the future.

You can not control what is outside, you can only change what is inside you.

One day you will see that your world has changed, and at the same time the world outside remains the same.

You are the world you are looking to change.