We all have our doubts. It is as normal as breathing. Many wonder if their faith is baseless, if they would not be another faith if they had been born into a different family, if they might have been from a different country would they have a different belief system.
Islam does not reject these questions and in fact encourages discovery and reason when approaching faith. So it is not a negative thing to question. God consciousness can only be built on a firm foundation of knowledge.
Allah tells us in the Quran that:
…it is only those who have knowledge among His servants that fear Allah. (35:28) Here are some ways to know that Islam is the complete and perfect truth for all mankind.