You can see from the above verses how it reflects the process of Sanctification. Restored in love to God. All things are possible to him who believes. Therefore I tell you, whatever you ask in prayer, believe that you have received it, and it will be yours. Jesus showed the door to Infinity was open to Him, as He performed miracles.
Miracles are events outside of normal events.
A prayer is a request to change the future. A miracle is that change being made answered prayer. Thus you can see, if a person believes in strict predestination they shut out the possibility of miracles. To be Catholic is to have faith and confidence in the power of the Holy Spirit to answer prayer. This faith in the Catholic power of God, is the answer to most of the doubts people voice against the Church.