Graduale Romanum 1974, p. 235; translations from Gregorian Missal, p. 381.
Viri Galilaei, quid admiramini aspicientes in caelum? alleluia: quemadmodum vidistis eum ascendentem in caelum, ita veniet, alleluia, alleluia, alleluia.
℣. Omnes gentes plaudite manibus: iubilate Deo in voce exsultationis.
Men of Galilee, why are you gazing in astonishment at the sky? alleluia; just as you have seen him ascend into heaven, so, in like manner, shall he return, alleluia, alleluia, alleluia.
℣. All nations, clap your hands; shout unto God with a voice of joy.
Ascendit Deus in iubilatione, Dominus in voce tubae, alleluia.
God has gone up amidst shouts of joy, the Lord to the sound of the trumpet, alleluia.
Signa eos qui in me credunt, haec sequentur: daemonia eicient: super aegros manus imponent, et bene habebunt. Alleluia.
These signs will accompany those who believe: they will cast out demons, and when they lay their hands upon the sick, these will recover, alleluia.