The one true god is the only god that truly exists. All others are false.
Currently
137 religions claim to worship the "one true god".
Different sects of one religion will argue that they are the only ones who worship the "one true god"
Discussion of the
trueness of one's god often leads to violence
Protestants
vs. Catholics vs. Jews vs. everyone else for the last
thousand years or more fighting each other on
behalf of THEIR one true god...