International Standard Version I must do the work of the one who sent me while it is day. Night is approaching, when no one can work.
American Standard Version We must work the works of him that sent me, while it is day: the night cometh, when no man can work.
Young's Literal Translation it behoveth me to be working the works of Him who sent me while it is day; night doth come, when no one is able to work: --