if you get all access to manipulate this life, if you get all knowledge that a human can have, if you get enough power for being a ruler, i think you just have a little chance for make someone to become a believer or an unbeliever.
the big part for being a believer or an unbeliever is on the inner side of anyone. the others are only a backup.
so you will find out the peoples that you very love will not in same way with you, and you just hope and hope for something incredible will happen someday.
some times we believe in some thing then we get it wrong. realy we choose what we want to believe but some times we get it wrong then we adjust our minds to believe the new idea we have. all the time we learn and get new thinking to believe and forget the old ideas we have….. we change our mind with the time i see that