Exodus 18:26

They served as judges for the people at all times. The difficult cases they brought to Moses, but the simple ones they decided themselves.

(New International Version)

They judged the people at all times; the difficult dispute they would bring to Moses, but every minor dispute they themselves would judge.

(New American Standard Bible)

And they judged the people at all seasons: the hard causes they brought unto Moses, but every small matter they judged themselves.

(King James Version)