תִּכְבַּ֧ד הָעֲבֹדָ֛ה עַל־הָאֲנָשִׁ֖ים וְיַעֲשׂוּ־בָ֑הּ וְאַל־יִשְׁע֖וּ בְּדִבְרֵי־שָֽׁקֶר׃
Schwer möge der Dienst auf den Leuten liegen dass sie damit zu schaffen haben und sich nicht unterhalten von eiteln Dingen.
Mesilat Yesharim
This is similar to the wicked Pharaoh's advice saying "intensify the men's labor..." (Ex. 5:9). His intention was to leave them no time whatsoever to oppose him or plot against him. He strove to confound their hearts of all reflection by means of the constant, incessant labor.
Mesilat Yesharim
The first: that he contemplate what is the true good for man to choose and what is the true evil for him to flee from.
Mesilat Yesharim
The second: on the actions which he does, to determine if they are in the category of the good or the evil.