Matthew 17 and Mark 9 record the story of Jesus coming down off the Mountain to find His disciples in a predicament.
Their problem was with a demon possessed boy, whom they couldn't help.
Jesus took this opportunity to deal with their real problem.
"The littleness of their faith" Matthew 17:20
Romans 4 speaks to us of the faith of Abraham, whose faith in God, brought him into a deep friendship with God.
Vs. 17b "even the God, who calls into being that which does not exist.
In hope against hope he believed..
Perhaps you are struggling with sin and find yourself experiencing Romans 7:22-24.
You are joyfully concurring with the law of God in your inner man,
But see a different law in the members of your body making you a slave of sin.
Your heart is crying out, " O wretched man that I am! Who shall deliver me from the body of this death?
Believe in God, who gives life to the dead, and calls into being that which does not exist.
In hope against hope, you can lift up your voice to God