"The word is nigh thee, even in thy mouth, and in thy heart: that is, the word of faith, which we preach" - Romans 10:8 "So then faith cometh by hearing, and hearing by the word of God" - Romans 10:17 "For whatsoever is born of God overcometh the world: and this is the victory that overcometh the world, even our faith" - 1 John 5:4
"For in Jesus Christ neither circumcision availeth any thing, nor uncircumcision; but faith which worketh by love."- Galatians 5:4