Many people wish they could go back and change something that happened in their past. Mistakes bring feelings of regret and a longing to do things differently. Many books, movies and television shows have been created based on the idea of going back in time to change an important event. But unfortunately, the past is written and we are bound to remain in the present. Or are we? 

There are stories of great Yogis and other realized beings moving through time or crossing great distances in a momen...