It is only your inner teacher that will walk with you to the goal for he is the goal. As a man becomes more and more spiritual, he is less and less dependent on externals. Holy company acts as medicine. That tomorrow will never come. The mind affects the body.
Every thought has a corresponding change in the material substance of the brain.
Your ideas about yourself change from day to day and from moment to moment. Your self image is the most changeful thing you have. To know what you are, you must first investigate what you are not. That which obeys the laws of causation cannot be free. It is indeed the mind that is the cause of men's bondage and liberation.