The Latin phrase fiat lux, from the Latin Vulgate Bible, is typically translated as “let there be light” when relating to Genesis 1:3 . The full phrase is “dixitque Deus fiat lux et facta est lux” (“And said God let there be light, and there was light”).
The phrase comes from the third verse of the Book of Genesis. In the King James Bible, it reads, in context:
1:1 – In the beginning God created the heaven and the earth.
1:2 – And the earth was without form, and void; and darkness was upon the face of the deep. And the Spirit of God moved upon the face of the waters.
1:3 – And God said, Let there be light: and there was light.
1:4 – And God saw the light, and it was good; and God divided the light from the darkness.
Fiat Lux Meaning
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What is the definition of "Fiat Lux"?
It’s Latin for “let there be light”
It’s also the motto for the University of California
It’s Italian for “You bought one of those cheap Italian cars? Good luck with that.”