Everything changes vary

Today You can be righ, but tomorrow You can be wrong, Nobody knows the future, It's why We need to evolve weselvs each day more and more, we gotta forget the past, and learning with the present, because the past can't come back anymore, so we have only the present and nothing else, and the does't belong to us!
Please help me to evolve, correct me if I am wrong, but if I wrote everything right tell me something, sense right now I am thankful for your help!

You can be right today, but wrong tomorrow.  No one knows the future, that's why we need to evolve more and more each day.  We have to forget the past and learn from the present because the past cannot be relived.  We have only the present and nothing else, and that doesn't belong to us!  Please help me to evolve, correct me if I am wrong, but if there are no mistakes, tell me something that makes sense right now.