Faith does not rest on what the eyes can see. It comes by hearing, and hearing by the word of God.
8 verses · KJV
Now faith is the substance of things hoped for, the evidence of things not seen.
But without faith it is impossible to please him: for he that cometh to God must believe that he is, and that he is a rewarder of them that diligently seek him.
So then faith cometh by hearing, and hearing by the word of God.
(For we walk by faith, not by sight:)
And Jesus answering saith unto them, Have faith in God.
For verily I say unto you, That whosoever shall say unto this mountain, Be thou removed, and be thou cast into the sea; and shall not doubt in his heart, but shall believe that those things which he saith shall come to pass; he shall have whatsoever he saith.
And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you.
Even so faith, if it hath not works, is dead, being alone.