The Seven Weeks of Condolence

Even in the "slap" that Hashem gives us, there is a measure of his relationship with us. This is similar to a father who might hit his son who ran into the road, because he loves him and wants him to be safe.

Yeshayahu's word give the impression that G-d does not care about us and allowed the destruction to take place.

The exile was an active decisions of G-d, the result of which was a state of hester panim for the nation. Those who choose to come and live in the Land today and fulfill the prophecies of yore – merit to return to the protective gaze of Hashem Himself.

Rebuilding Jerusalem includes: physical building of the city, the society, protection from enemies and the Davidic dynasty.

In the same verse, Yeshayahu talks about coming back to Israel and self hatred. This bring two opposite explanations.

Different translation to Yesha'ayahu's words bring different opinions to the question - are the times of Mashiach fixed or flexible.