Hebrews 11:1, 6 (NKJV)
11 Now faith is the substance of things hoped for, the evidence of things not seen.
6 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.
Matthew 10:8 (NKJV)
8 Heal the sick, cleanse the lepers, raise the dead,[a] cast out demons. Freely you have received, freely give.
Matthew 10:10 (NKJV)
10 nor bag for your journey, nor two tunics, nor sandals, nor staffs; for a worker is worthy of his food.
Romans 10:17 (NKJV)
17 So then faith comes by hearing, and hearing by the word of God.