Before you proceed, have a look at the article explaining the obligation and importance of seeking 'Ilm through scholars. : http://the-finalrevelation.blogspot.com/2013/06/the-obligation-and-importance-of.html
The Qur'an offers freedom of faith (10:108, 6:104, 10:99, 39:41, 11:121, 73:19, 43:88-89, 2:272, 76:29, 18:29, 42:48, 76:2-3, 3:20, 88:21-22, 16:82-83, etc.), freedom of religion (2:256, 109:6, 22:67-69, 42:15, 10:41, 2:139, 42:6, etc.), and freedom of freethinking (15:3, 17:84, 6:110, 10:11, 11:121, 52:45, etc.) without any temporal punishment.
The Qur'an teaches to believe in all the previous Prophets of God as they represent the chain of evolution of the Prophethood (2:1-4, 3:84, 2:285, 4:152, 37:37, etc.).
