You can also increase your peace of mind by developing the power of concentration, by meditation, by physical exercise and by correct breathing.
The important thing is, practice, practice, and practice. Remember!
You are not your mind!
You are not your thoughts!
You are not your ideas!
You are not your beliefs!
They may be yours, but they are not you.
They are instruments you use, do not let them control you.
What remains after they are rejected is You, the real I.