Being quiet involves more than you might think.
Be very judicious in your reading materials when trying to be quiet.
Be very judicious in your musical selections when trying to be quiet.
Be by yourself as much as you can.
Keep it low key.
Take it easy.
Sometimes you can hear your inner self more clearly with a bit of help from the world of plant medicines (as legally administered in your area, of course).
Pay attention to the world around you in a new way.