EZK 28:2

2 Ben adam, say unto the Nagid Tzor, Thus saith Adonoi Hashem: Because thine lev is lifted up [in pride], and thou hast said, El ani [(I am a g-d)], and I sit on a moshav elohim [(seat of g-ds)], in the midst of the yamim [(seas)]; yet thou art adam, and not El, though thou set thine mind as the lev elohim;