A great lesson can be learned from the calendar of the month of Tishrei. After Yom Kippur, the climax of the days of Teshuva, comes Sukkot. Life after Teshuva starts with a display of faith in HaShem. We move from our safe houses to live in a temporary residence, under the sky, subject to the forces of Nature. We may indeed conceive of life after Teshuva as a life of exemplary performance of Mitzvot. However, there is a caveat. Our sages teach (Makkot 24a) in the name of Chavakuk (2:4) that in the final analysis all Mitzvot stand on one pillar - faith: "The righteous shall live by his faith."
Here is the message of Sukkot. We are destined to be a Nation dwelling alone, under the Heavens. We are destined to be a nation that trusts in HaShem rather than in money or gold. We are destined to be a nation that fearlessly follows HaShem in all the Mitzvot, no matter what the gentiles will say. This is the Teshuva that HaShem is waiting for.
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