Romans 10:17 KJV So then faith cometh by hearing, and hearing by the word of God.
Romans 10:8-10 KJV But what saith it? The word is nigh thee, even in thy mouth, and in thy heart: that is, the word of faith, which we preach; 9 That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved. 10 For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.
Ephesians 2:8-10 KJV For by grace are ye saved through faith; and that not of yourselves: it is the gift of God: 9 Not of works, lest any man should boast. 10 For we are his workmanship, created in Christ Jesus unto good works, which God hath before ordained that we should walk in them.
Titus 3:4-7 KJV But after that the kindness and love of God our Saviour toward man appeared, 5 Not by works of righteousness which we have done, but according to his mercy he saved us, by the washing of regeneration, and renewing of the Holy Ghost; 6 Which he shed on us abundantly through Jesus Christ our Saviour; 7 That being justified by his grace, we should be made heirs according to the hope of eternal life.
1 Corinthians 15:1-4 KJV 1. Moreover, brethren, I declare unto you the gospel which I preached unto you, which also ye have received, and wherein ye stand; 2. By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain. 3. For I delivered unto you first of all that which I also received, how that Christ died for our sins according to the scriptures; 4. And that he was buried, and that he rose again the third day according to the scriptures: