Hebrews 11:6 (NKJV)
"But without faith it is impossible to please Him, for he who comes to God must believe that He is, and that He is a rewarder of those who diligently seek Him."
Mark 9:23 (NKJV)
"Jesus said to him, “If you can believe, all things are possible to him who believes.”
Matthew 17:17 (NKJV)
"Then Jesus answered and said, “O faithless and perverse generation, how long shall I be with you? How long shall I bear with you? Bring him here to Me.”
Luke 17:6 (NKJV)
"So the Lord said, “If you have faith as a mustard seed, you can say to this mulberry tree, ‘Be pulled up by the roots and be planted in the sea,’ and it would obey you."
John 11:40 (NKJV)
"Jesus said to her, “Did I not say to you that if you would believe you would see the glory of God?”