Hebrews 11:1
"Now faith is the substance of things hoped for, the evidence of things not seen."

Hebrews 11:3
"Through faith we understand that the worlds were framed by the word of God, so that things which are seen were not made of things which do appear."

Hebrews 11:6
"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."