Mitzvah of Settling in Israel - Yishuv Eretz Yisrael
Legal Issues
Having a non-Jew write a contract for a Jew to buy land in Surya, on Shabbos: Gittin 8a-8b, 8b
Whether one may remove the Doorpost Scroll [Mezuzah] from a rented house in Israel, when leaving: Menachos 44a [see Rashi "Mishum Yishuv"]
Whether one may ascend to live in Israel in post-Temple times: Berachot 24b
Beyond the Law
Sages who planned on moving to Israel avoiding sages who ruled one could not do this in post-Temple times: Berachot 24b
The Merit of living in Israel was what allowed the birth of Isaac: Rosh HaShanah 16b
This Mitzvah is Compared with the Mitzvah of Gladdening a Bride and Groom: Berachot 6b
Israel is only acquirable via Physical Suffering: Berachot 5a Earns the "World to Come": Pesachim 113a
