Clarification: That is what the Gemara says in Perek ha'Dar 'Someone who drinks with moderation has the wisdom of the Seventy Elders' - since the secrets are more powerful than the wine, in which case the wine does not have the power to extract them.

Clarification: Since the world was created in seven days.

Implied Question: Even though it was really created in six days?

Answer: Nevertheless, Menuchah (repose) was missing, until 'Shabbos arrived, and Menuchah came with it'. And that is why the Pasuk writes "and He finished His work on the day of Shabbos".

Explanation #1: Rashi explains that initially Hash-m placed Adam on a high place, and after he sinned, He lowered him on to a chair.

Question: However, from the first Perek in Avodah-Zarah it appears that 'Kisei' is superior to 'Gapei', as it Darshens there that at first, a Talmid sits on a Gapei (he moves from place to place like a wing), and that when he becomes Rosh Yeshivah, he sits on a chair.

Explanation 2#: Our Gemara too, it is possible to explain in that vein - that before Adam married Chavah, he sat on a Gapei (unsettled, moving from place to place [like the Pasuk in Mishpatim, in connection with an Eved Ivri - "If he came in alone [be'Gapo], he goes out alone"; whereas after he married her, he sat on a chair.

Clarification: The four people who descended were Adam and Chava, Kayin and a twin sister. Because Hevel was not born then, only later, as the Torah writes "'Vatosef Laledes", which Chazal interpret as a Lashon of adding, with reference to the two wins that were born together with Hevel, and which the Bereishis Rabah Darshens from the two 'esin' in the words "es Achiv es Hevel".