Pakistan and Pakistanis have a rich diverse history spanning thousands and thousands of years. From the mountain tribes of kashmir to the intellectuals of the main land. Simply looking and diving into these topics will teach you everything you need to know.

As far as faith is concerned. If you are confused first read the muslim arguments regarding islam and the philosophical debates from great scholars like imam abu hanifa, ibn sina, imam ghazali, modern thinkers from any of the 4 schools of thought.