CHASSIDIC PEARLS BY RABI LAZER BRODY PARSHAS VAYAKHEL AND PEKUDEI

Parshat Vayakhel Seeing and Hearing the Tzaddik, First-hand "Moshe (Moses) assembled the entire congregation of the Children of Israel and said to them, 'These are the things that God commanded you, to do them: Work shall be done on six days, but the seventh day shall be holy for you'" (Shmot 35:1). The above passage raises several questions: First, why did Moshe go to the lengths of assembling the entire Jewish nation? Second, why did Moshe insist that parents bring all their children, including newborn babies? And third, of all the laws of the Torah, why did Moshe insist in personally informing the entire populace of the Sabbath? Parshat Pekudei A Foot in Both Worlds "And you shall anoint them like you anointed their father, and they shall serve in the priesthood for Me, and their anointment shall be for eternal priesthood for all generations" (Shmot 40:15). Why did God command Moshe (Moses) that Aharon's (Aaron) sons should be the ones to serve under their father in the priesthood? Also, if the Torah commands that their priesthood shall be eternal, then why does it use the apparent superfluous terminology of "for all generations" - isn't that the same as "eternal"?