What is a sane mind? Who is a happy person? How to manage mind? Many of such questions might be there in your mind. In essence, a sound mind could be a mind which can control/manage/help get rid of emotional elements/statuses like: FearAngerAnxietyProcrastinationSelf-hatred/Self-doubtUnwanted thoughts which will occupy your mind thus taking away from your focus/concentrationNow, how does your mind manage all the elements as mentioned (or any of the...