The whole message of this poem is to not let your past control you. The past is behind you for a reason, do not knock down a hopeful future for past memories.

Also, don't focus your attention on what others have that you don't, it will only control your envy and make you bitter.

Great write, thought provoking as always!

Two things destroy you:
To be concerned of the past
and of the others

^^A very good opening to catch hold of the reader's attention and it is true for these things do destroy you.

If you knock the door
of the past sad memories
you lose the future

^^We get caught in this web it is hard to escape its grip and will not only eat us but destroy the good that is ahead of us!

Overall a very, very good message for one to think about...as always an excellent write.

I understood that without the past there is no future, so never regret the past since it is because of it that we have a future to look ahead.

Amazing! WOW! Very true. You have penned a wise message here. We indeed need to reflect this wisdom in our lives to own a peaceful heart and soul.

Keep writing;)