The Art of Digesting Impressions: Working on the Present, Past, and Future

Past moments of sleep, past moments of identifying with wrong 'I's in ourselves, can be to a certain extent cancelled by consciously going over the whole situation in our minds afterwards. You must never think that you cannot work on a thing in your past. Never think that you cannot alter it. You can alter the present, you can alter the past, and you can alter the future.