Easter phrases often feel ancient, and that's because many of the famous ones really are — they come straight out of the early Christian story. The most famous line, 'He is risen!', grows directly from the Gospel accounts (think Matthew 28:6, Mark 16:6, Luke 24:6, John 20) where the angel or the disciples announce the resurrection. Those simple, triumphant words were translated into Greek and Latin and then passed into liturgy and everyday speech across Europe and the Mediterranean.
Beyond the Bible, there's a rich liturgical and poetic tradition that produced memorable lines. The Latin 'Exsultet' (the great Paschal proclamation sung at the Easter Vigil) and the medieval sequence 'Victimae paschali laudes' gave medieval worshippers phrasing that stuck for centuries. In the East, the hymn 'Christos Anesti' ('Christ is risen') with its triumphant couplet 'Christos anesti! Alithos anesti!' became a staple greeting: 'Christ is risen!' — 'Truly He is risen!'.
Over time those scriptural and liturgical kernels got picked up by theologians, poets, and preachers, so you’ll also find echoes of them in sermons, hymns, and even novels. For me, reading those lines in different languages and settings makes Easter feel truly like a cultural thread running through history.