In Galatians 1:9, what does the phrase "let him be accursed" mean? Does this passage condemn to hell anyone who preaches another gospel?

I've been having a heated discussion with a fellow church member about the differences between James and Paul. How James was under a different dispensation than Paul, my friend can't buy that. I was wondering what scriptures I could show him that would back up my argument? I tried to explain how James was a legalist, that his teaching was faith plus works for salvation, and Paul's teaching is Faith. Can you help?

Was Jesus incarnated? Is the virgin birth necessary for incarnation?

Do you know of any passages in the bible which state that God demands righteousness from all people or does the Bible make a distinction between righteousness required by the world at large and that required by God's children?

Benny Hinn, John Hagee, Rod Parsley and many others from TBN practice healing and speaking in tongues along with other things. Is this scriptural?

What is the gift of the holy ghost?

What is Paul talking about in Galatians 5:4 when he talks about being fallen from grace?

In the question and answer section of your website on doubting your salvation, the writer quotes Galatians 2:16 and indicates "the faith OF Christ" refers not to faith IN Christ, but Christ's actual faith. JF&B, Matthew Henry, Luther, and Wiersbe all seem to indicate that this verse refers to faith IN Christ. Can you tell me of any other sources that support your interpretation?

What does the word "it" refer to? Is it faith, grace, salvation or all of the above?

What are some of the common characteristics and distinctions of salvation throughout the ages? Is there a connection between the new covenant and the new birth?