Exodus 2:13-14

And he went out the second day, and, behold, two men of the Hebrews were striving together: and he said to him that did the wrong, Wherefore smitest thou thy fellow? And he said, Who made thee a prince and a judge over us? thinkest thou to kill me, as thou killedst the Egyptian? And Moses feared, and said, Surely the thing is known.