Nox ista est observabilis Domini, quando eduxit eos de terra Ægypti: hanc observare debent omnes filii Israël in generationibus suis.
This is the observable night of the Lord, when he brought them forth out of the land of Egypt: this night all the children of Israel must observe in their generations.
Nocte isto es observabile de Domino, quando educe illos de terra de Aegypto: hoc observa omni filios Israële debe in generationes suo.