Weekdays Building Toward Shabbos
במדרש מנורה של פרקים כו'
In the Midrash it is taught that the menorah was made of sections (a menorah constructed from separate joints), and so forth.
The Midrash compares the menorah to something assembled from separate sections joined together, which the Sfas Emes will use as a model for how the days of the week build toward Shabbos.
לטובתכם נתתי השבת כו' דכת' היום לעשותם למחר לקבל שכרן
"It was for your benefit that I gave you the Shabbos," and so forth, for it is written, "This day to do them" (Devarim 7:11) — today is the time to perform the mitzvos, and tomorrow is the time to receive their reward.
Hashem gave Shabbos for our benefit, because the weekdays are the time for doing mitzvos while the reward for them is collected only afterward.
כי א"א לקבל השכר מעוה"ב כל זמן שלא נתקן כל המעשים
For it is impossible to receive the reward of Olam Haba so long as all of one's deeds have not yet been rectified and brought to completion.
One cannot collect the reward of Olam Haba until every deed has been properly fixed and brought to its complete form.
כאמרם אין כלי מחזיק ברכה אלא שלום
As Chazal said, "The Holy One, Blessed is He, found no vessel that holds blessing other than peace" (Uktzin 3:12).
Chazal teach that peace is the only vessel capable of containing blessing, meaning blessing requires a complete, unified vessel to hold it.
והוא תיקון כל המעשים לדבקם בשורשם
And this is the rectification of all one's deeds — to attach them to their root.
The rectification of one's deeds means connecting each action back to its spiritual source.
וזה ענין הבנין של ימי המעשה שנק' מנורה של פרקים
And this is the meaning of the structure built up over the six days of activity, which is called "a menorah of sections."
The work of the six weekdays builds a structure piece by piece, just like the menorah assembled from separate sections.
וכשהיא בשלימות אז חל האור שבעת הימים
And when it is complete, then the light of the seven days descends and rests upon it.
Only once that structure is whole does the elevated light of Shabbos, the light of all seven days, come down and rest upon it.
וכן הוא בכלל
And so it is regarding the totality of time as well.
The same pattern that holds for a single week also holds for the entire span of history.
כל שיתא אלפי שנין
All of the six thousand years of the world's existence correspond to the days of activity,
The six thousand years of this world parallel the six weekdays of activity.
אח"כ השבת
and afterward comes the Shabbos — the era of the World that is entirely Shabbos.
After those six thousand years comes the cosmic Shabbos, the era that is entirely rest and Olam Haba.
וזהו עצמו ענין הקדמת נעשה לנשמע שבנ"י נעשו ערבים לתקן העשי' כמ"ש עושי דברו
And this itself is the matter of Bnei Yisrael placing "na'aseh" before "nishma" ("we will do" before "we will hear") — for Bnei Yisrael became guarantors to rectify the realm of action, as it is written, "those who do His word" (Tehillim 103:20).
Bnei Yisrael's saying "na'aseh" first reflects their accepting responsibility to rectify the world of action, the realm of doing His word.
אח"כ לשמוע בקול דברו הוא לעתיד כמ"ש כעת יאמר ליעקב כו'
And afterward comes the level of "to hearken to the voice of His word," which is reserved for the future, as it is written, "At the proper time it shall be said to Yaakov" (Bamidbar 23:23), and so forth.
The higher level of truly hearing and grasping His word is held in reserve for the future redemption.
וזה ג"כ נרמז בפסוק היום לעשותם כו' עקב תשמעון כי בעוה"ז נעשה ובעקב יהי' השמיעה
And this too is hinted at in the verse "This day to do them" (Devarim 7:11) and "because [eikev] you will hearken" (Devarim 7:12) — for in this world is the doing, and at the end [b'eikev] will come the hearkening.
The verse itself encodes this order: the word eikev (literally 'heel,' 'at the end') teaches that doing comes now in this world while the hearing comes only at the end.
אכן בכל ש"ק שניתן מנוחה לבנ"י שביתות המעשה לכן הוא מעין עוה"ב ויכולין להרגיש מהארת אור הגנוז לכן נק' שבת אור שבעת הימים:
Indeed, on every holy Shabbos, when rest is granted to Bnei Yisrael and there is a cessation from all activity, it is therefore a foretaste of Olam Haba, and one is able to sense something of the radiance of the hidden light — and that is why it is called "the Shabbos, the light of the seven days."
Every Shabbos, when Bnei Yisrael rest and stop their weekday labor, becomes a taste of Olam Haba in which one can feel the glow of the hidden light, which is why Shabbos is called the light of the seven days.
Summary: The Sfas Emes builds on the Midrash that the menorah was assembled from separate sections to explain how the six weekdays are a time of doing, while their reward and elevation come only afterward. Just as a vessel must be whole and at peace to hold blessing, our deeds must be rectified by being attached to their root before the light of Shabbos can descend and rest upon them. This same pattern governs all of history: the six thousand years of this world are the days of action, after which comes the cosmic Shabbos that is entirely Olam Haba. Bnei Yisrael expressed this when they placed na'aseh before nishma, accepting the role of rectifying the realm of action now, while the deeper hearing of Hashem's word is reserved for the future, a truth hinted in the word eikev. Each weekly Shabbos is therefore a foretaste of Olam Haba, when Bnei Yisrael can already sense the radiance of the hidden light.