Exodus 18:23-25

Young's Literal Translation

²³ If thou dost this thing, and God hath commanded thee, then thou hast been able to stand, and all this people also goeth in unto its place in peace.'

²⁴ And Moses hearkeneth to the voice of his father-in-law, and doth all that he said,

²⁵ and Moses chooseth men of ability out of all Israel, and maketh them chiefs over the people, heads of thousands, heads of hundreds, heads of fifties, and heads of tens,