RETURNING A REPLY TO THE ONE WHO ASK ME NOT TO PRINT MY BOOK

As for being sincere (Mukhlis) then no one can know this except Allaah Because sincerity is something hidden, which only Allaah has knowledge of. It is stated in the hadith:

"Actions are only based on their intentions, and indeed every person will have only that which he intends"

Source: [https://docs.google.com/file/d/0BxhtxEtVNp2OZlZHUjJTRVJjU2c/edit]