NumNb NumbersNombres, chapterchapitre Book of NumbersLe quatrième livre de Moïse dit les Nombres, chapterchapitre 33

And they departed from Ra'meses in the first month, on the fifteenth day of the first month; on the day after the Pesach the Bnei Yisroel went out with a yad ramah (upraised hand, i.e., confidently) l'einei kol Mitzrayim.