International Standard Version because just as the lightning comes from the east and flashes as far as the west, so will be the coming of the Son of Man.
American Standard Version For as the lightning cometh forth from the east, and is seen even unto the west; so shall be the coming of the Son of man.
Young's Literal Translation for as the lightning doth come forth from the east, and doth appear unto the west, so shall be also the presence of the Son of Man;