1 Corinthians 11:23

11:23 For I received from the Lord what I also passed on to you, that the Lord Jesus on the night in which he was betrayed took bread,

1 Corinthians 15:3

15:3 For I passed on to you as of first importance ¹  what I also received – that Christ died for our sins according to the scriptures,

¹ tn Grk “among (the) first things.”