Three Commands Israel Received Upon Entering the Land

"And it shall be, when the LORD your God has given you rest from all your enemies" and so on (Deuteronomy 25:19). Rabbi Azariah and Rabbi Judah son of Rabbi Simon, in the name of Rabbi Judah son of Ilai: Concerning three things Israel were commanded when they entered the land: to appoint a king over themselves, to build for themselves the Chosen House, as it says, "And let them make Me a sanctuary" and so on (Exodus 25:8), and to blot out the memory of Amalek.