Rabeinu tells us that each and every person must make sure that he is not responsible in delaying the coming of the mashiach. How does one make sure he isn’t preventing the Mashiach? By doing complete Teshuva and rectifying one’s actions

Rabeinu goes on to explain the connection between Moshe Rabeinu (who is the same aspect as the mashiach, as is brought down in the Zohar), Shabbat, Teshuva, and humility, sacrificing one’s soul for Am Yisrael, etc…