Blindness in part is happened to Israel Romans 11:25
If ye have heard of the dispensation of the grace of God Ephesians 3:1-9
That if thou shalt confesswith 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 I delivered unto youfirst 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:1 Corinthians 15:1-4 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. Ephisians 2:8-9
1 Corinthians 15: 1-2 "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."