sentence1: يمكننا أن نعرِف ما قد حصل في الماضي، ولكن لا يمكننا تغييره. ويمكننا أن نغير المستقبل، لكن لا يمكننا أن نعرف ما سيحصل فيه.
sentence2: It is possible for us to know what has been achieved in the past, but it is not possible for us to change it. And it is possible for us to change the future, but it is not possible for us to know what will be achieved in it.