Exodus 18:22

Have these men judge the people at all times. Then they can bring you any major issue, but all minor cases they can judge on their own, so that your load may be lightened as they share it with you.

And let them judge the people at all seasons: and it shall be, that every great matter they shall bring unto thee, but every small matter they shall judge: so shall it be easier for thyself, and they shall bear the burden with thee.