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The Yale University coat of arms is the primary emblem of Yale University. It has a field of the color Yale Blue with an open book and the Hebrew words Urim and Thummim inscribed upon it in Hebrew letters. Below the shield on a scroll appears Yale's official motto, Lux et Veritas (Latin for "Light and Truth").
The first known seal of Yale appears on the master's diploma of its future president Ezra Stiles in 1746. In addition to the Hebrew words "Urim ve'Thummim" inscribed on two books on a shield, it had the Latin words Lux et Veritas surrounding the shield.
The Hebrew words Urim and Thummim are used due to a belief among scholars at the time that "Light and Truth" was an adequate translation for these words.  According to the Hebrew Bible, the priests used tools called the Urim and Thummim to discern the will of God.
- "How Hebrew Came to Yale". www.jewishvirtuallibrary.org. American-Israeli Cooperative Enterprise. Archived from the original on November 3, 2020. Retrieved April 16, 2018.
- Oren, Dan (2001). "Yale Alumni Magazine: The Yale Seal". archives.yalealumnimagazine.com. Archived from the original on October 18, 2014. Retrieved November 24, 2015.