וַיֹּ֣אמֶר יְהוָה֮ אֶל־מֹשֶׁה֒ אֱמֹ֣ר אֶֽל־אַהֲרֹ֗ן נְטֵ֤ה אֶת־יָדְךָ֙ בְּמַטֶּ֔ךָ עַל־הַ֨נְּהָרֹ֔ת עַל־הַיְאֹרִ֖ים וְעַל־הָאֲגַמִּ֑ים וְהַ֥עַל אֶת־הַֽצְפַרְדְּעִ֖ים עַל־אֶ֥רֶץ מִצְרָֽיִם׃
E disse o Senhor a Moshe: "Diga a Aharon: 'Estenda a sua mão com a sua vara sobre os rios, sobre os canais e sobre os pântanos, e faça subir as rãs sobre a terra do Mitzrayim.'"
On the Confusion of Tongues
[94] What then is the liberty which is really sure and stable? Aye, what? It is the service of the only wise Being, as the oracles testify, in which it is said, “Send forth the people that they may serve me” (Ex. 8:1).