The Substance of True Prayer

What is the only possible way to see Jesus Christ? Who is the object of True Faith? How does the Spirit show Christ to the heart of His redeemed ones? Who is Salvation? Who was Hannah rejoicing in? How it that a sinner made poor by the LORD is actually a mercy? Why must the LORD be sovereign in all things in order to save even 1 sinner? Exactly when in time were all those that the Father gave to Christ saved from His wrath?