Can't say I am a fan of the building of the third temple. The pathway to the forgiveness of sin for the Christian is believing in Jesus Christ. The pathway to salvation has always been in many ways, the woman and a child. 

Genesis 3:15 And I will put enmity between you and the woman, and between your offspring and hers; he will crush your head, and you will strike his heel.”

Genesis 3:15 - The First Prophecy Of Christ's Coming

The Genesis 3:15 prophecy promised that one special man from the woman's seed would destroy the works of the devil, although He would be wounded in the process.

https://www.revealedtruth.com/bible-study/genesis-3-15-meaning/

You can never know what God means sometimes - A land of milk and honey, biologically speaking it does no matter how much good food you eat, you still poo crap.

The Return of Elijah IS KEY to Building of the 3rd Temple -  Nelson Walters