1 Corinthians 11:26

11:26 For every time you eat this bread and drink the cup, you proclaim the Lord’s death until he comes.

1 Corinthians 15:54

15:54 Now when this perishable puts on the imperishable, and this mortal puts on immortality, then the saying that is written will happen,

“Death has been swallowed up in victory.” ¹ 

[15:54]  ¹ sn A quotation from Isa 25:8.