The Bible clearly teaches that in Ephesians 1:13 (KJV)

And in 2 Corinthians 1:22 that God have gave us the Spirit in our hearts. It is than biblical that the Holy Spirit is within us.

Basically protestant are Christians who holds the Bible as it's final authority and they encourage Christians to search and read the scriptures by praying to God that he will guide you to understanding through the Holy Spirit.

The Protestant Reformation came about due to the false teachings, rituals, tradition that the Roman Catholic Church holds to which was against the Bible. The main figures who initiated this reformation are Martin Luther (1483-1546) and John Calvin (1509-1564), this 2 figures were mainly influenced by Augustine of Hippo (354 - 430) who in turn was influenced greatly by the truth in the Bible.

If you want to know what John Calvin, Martin Luther and Augustine of Hippo arguments are which originated from the bible, please listen to this free teaching sermons: Source

But do keep in mind, we are all humans and there's no perfect Church or Perfect denomination. Sometimes even Christians can be wrong, so always go back to the Bible.

This post has been edited by Piros: Nov 18 2012, 03:43 PM