Exodus 18:20 in the King James Version
And thou shalt teach them ordinances and laws, and shalt shew them the way wherein they must walk, and the work that they must do.
Context
19 Listen now to my voice. I will give you counsel, and God be with you. You represent the people before God, and bring the causes to God.
20 You shall teach them the statutes and the laws, and shall show them the way in which they must walk, and the work that they must do.
21 Moreover you shall provide out of all the people able men which fear God: men of truth, hating unjust gain; and place such over them, to be rulers of thousands, rulers of hundreds, rulers of fifties, and rulers of tens.