וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה בֹּ֖א אֶל־פַּרְעֹ֑ה וְאָמַרְתָּ֣ אֵלָ֗יו כֹּ֚ה אָמַ֣ר יְהוָ֔ה שַׁלַּ֥ח אֶת־עַמִּ֖י וְיַֽעַבְדֻֽנִי׃
And the LORD spoke unto Moses: ‘Go in unto Pharaoh, and say unto him: Thus saith the LORD: Let My people go, that they may serve Me.
Find Talmudic references to Exodus 7:26: , passages from the Talmud Bavli and Yerushalmi.