Who was Melchizedek? Is this an appearance of Jesus Christ in the Old Testament or was this someone else?

Please explain the trinity of GOD, the Father, Son and Holy Spirit.

Is Jesus introducing the Jews to the future kingdom of heaven on earth? And if that's the case, are the acts indicated in Matthew 5:29-30 the result of Matthew 5:28 and something believer's must physically carry out while in the future kingdom in order to enter into his final resting place?

I believe in eternal security but someone recently showed me a couple of passages from 2 Peter that were difficult.

Question asked about the local/universal church argument.

Can you tell me what the flower that is "the lily of the valley" symbolically referred to Christ? I would like to know if this is the same 'lily' promoted as the 'Easter lily'. After examining some of the roots of the holiday called "Easter", it is easy to see that most of this 'holiday' has nothing to do with the Resurrection of Christ.

Which books in the Bible are called "The Law"? Which are called "The Prophets"?

Why does the bible refer Jesus the son of David? Although it can refer to the biological and immediate son of an earthly father, it can also have other meanings.

Did the Trinity as we know it, God the Father, God the Son (also known as the Word), and God the Holy Ghost exist before creation? In other words, was Jesus known as Jesus prior to his being born as a man?

Why can't people today, heal as Christ instructed the disciples to do? I am not sure what I think of these so called healers you see on television? Was this gift only for the Kingdom period and not for us during the Grace age. I know God can heal through our prayer.