John 1:12.

FOR God so loved the world, that He gave His only begotten Son, that whosoever believeth in Him should not perish, but have everlasting life.

John 3:16.

VERILY, verily, I say unto you, he that heareth my word, and believeth on him that sent me, HATH EVERLASTING LIFE, and shall not come into condemnation; but is passed from death unto life.

John 5:24.

HE that hath the Son HATH LIFE; and he that hath not the Son of God hath not life.

I John 5:12.

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.

Romans 10:9.

FOR with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.