Let there be light

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"Let there be light" is an English translation of the Hebrew יְהִי אוֹר‎ (yehi 'or) found in Genesis 1:3 of the Torah, the first part of the Hebrew Bible. In Old Testament translations of the phrase, translations include the Greek phrase γενηθήτω φῶς (genēthḗtō phôs) and the Latin phrases fiat lux and lux sit.