Moshe gave over the commandment to build a Bais HaMikdash but did not reveal the location. The Rambam in Moreh Nevuchim, says that after Avrohom Avinu went to Har HaMoriah for the Akeidah he called it Har Yeira’eh and this holy ground was revealed as the place for the Bais HaMikdash.
Rabbi Rue’s shmita videos
What are the ways to buy fruit and vegetables during Shmita?
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