What hath God wrought!

The Bible (The Old Testament) (14th - 2nd C BC) Judeo-Christian sacred scripture [Tanakh, Hebrew Bible], incl. the Apocrypha (Deuterocanonicals)
Numbers 23:23 [KJV (1611)]
    (Source)

Used by Samuel Morse as the first telegraph message, to formally open the Baltimore-Washington telegraph line (24 May 1844)