Let God arise, let his enemies be scattered; let those who hate him flee from before his face!

Christ is risen from the dead, trampling down death by death, and upon those in the tombs bestowing life (Troparion).

This is the day which the Lord has made, let us rejoice and be glad in it!

https://oca.org/orthodoxy/the-orthodox-faith/worship/the-church-year/easter-sunday-the-holy-pascha