Master Of The Universe Meaning

(idiomatic) highly successful business person

Example: The Mishnah (English translation)
  And G-D (Blessed be he, he is the master of the universe) saw there sack cloth and there fast
1849, William Francis Lynch, Narrative Of The United States Expedition To The River Jordan And The Dead Sea
  Constantine inscribed these words on the pedestal:— Oh Christ! king and master of the universe, I consecrate this humble tower, this sceptre, and the power of Rome, to thee!
1879, James Darmesteter, Littell's Living Age, "The Supreme God in the Indo-European Mythology"
  Svarogu, the god of the ancient pagan Slavs, should no doubt equally be placed. Like Zeus, like Jupiter, like Varuna, like Ahura Mazda, he is the master of the universe, the gods are his children, and it is from him that they have received their functions.
1913, Catholic Encyclopedia
  To God, the Supreme Master of the universe, our Creator, the All Holy, All Good, we owe honour, service, obedience, and love.
1557, Nostradamus, Epistle to Henry II, translated by Edgar Leoni
  First, by them made obstinate by the onetime masters of the universe.
1845, Alexander Dumas, The Count of Monte Cristo
  I have told you, where the air is pure, where every sound soothes, where one is sure to be humbled, however proud may be his nature. I love that humiliation, I, who am master of the universe, as was Augustus
1953, Fidel Castro, History Will Absolve Me
  They felt themselves lords and masters of the universe, with power over life and death.
1987, Tim Wolfe, The Bonfire of the Vanities
  The Masters of the Universe were a set of lurid, rapacious plastic dolls that his otherwise perfect daughter liked to play with. [...] On Wall Street he and a few others — how many? — three hundred, four hundred, five hundred? — had become precisely that... Masters of the Universe. There was no limit whatsoever!
2008, Boris Johnson, Conservative Party Conference
  No matter how much you may dislike the Masters of the Universe, my friends, there are plenty of other parts of the universe that would welcome them.
2010, Henry Samuel, The Daily Telegraph, "Vivendi Universal's 'Master of the Universe' Messier trial begins"[1]
  The man who once boasted he was "master of the universe" for making Vivendi a global media giant arrived in less triumphant fashion on Wednesday – through the back door of a Paris court.