The Temple is termed "Zevul": Rosh HaShanah 17a
The Temple as a place of Prayer for HaShem: Berachot 7a
One who never saw Hurdus's Temple, never saw a beautiful building: Succah 51b
The Temple was Created before the Universe: Pesachim 54a; Nedarim 39b
The ages of each Temple: Bava Batra 3a-b