The past has no power over the present moment.
The only instance where this is true is when something is subject to the statute of limitations
You have been posting a ton of 13-year-old-ish touchy-feely stuff....this is perhaps the most foolish of them.
I can Assure you that forgetting the past Dooms you to repeat it.
Grow Up!
To a large extent human beings operate from memory and memory is useful, however, situations may present themselves in which our repertoire of responses prove to be inadequate.
Time is a social construct and a very useful one that enables us construct ordered systems. The past exists only as a memory and the future is a mental projection, all of which are useful.