Jethro uses this question to show Moses that what he was doing was not good. This rhetorical question can be translated as a statement. Alternate translation: "You should not be doing all of this for the people!" (See: [[rc://en/ta/man/translate/figs-rquestion]])
Jethro used this question to show Moses that he was doing too much. This rhetorical question can be translated as a statement. Alternate translation: "You should not sit alone ... from morning till evening!" (See: [[rc://en/ta/man/translate/figs-rquestion]])
The word "sit" here is a metonym for "judge." Judges would sit while they listened to people's complaints. Alternate translation: "you judge alone" or "you are the only one who judges the people" (See: [[rc://en/ta/man/translate/figs-metonymy]])