1 Corinthians 15:3-4

15:3 For I passed on to you as of first importance what I also received – that Christ died for our sins according to the scriptures, 15:4 and that he was buried, and that he was raised on the third day according to the scriptures,

1 Corinthians 15:17

15:17 And if Christ has not been raised, your faith is useless; you are still in your sins.