The method to clear the mind of negativity is to fill it with positivity. Whenever we come across waste or negativity in the self because of the situations that we are faced with, we first put in effort to remove it. We do work very hard to do that but most of the times we are not able to do so. We then put in more effort or after a period of time give up trying altogether. The only way to remove negativity is to fill the mind with positivity. Just as fresh water added continuously to dirty water cleanses the water, so also positive thoughts clear the mind of waste and negative thoughts. For this I need to give my mind positive food everyday.