[Mesorah] L'Sakkein Olam

[Richard]

One of the salient points is
What is L'sakken Olam b'malchus Shakai  mean?

To Fix/Repair the world...

To Establish a Divine Kingdom within the world [Y'mos Hamshia'ach]

In context, the "Al Kein" is understood as a Messianic Vision, and so to me that Kaf version works "better".

Tiferes Uzzecha, is understood by my friend as  a flowery reference to the Beis Hammikdash, sheyibaneh... 
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Knowledge is about having the right answer;  Intelligence is about asking the right question. 

Shalom, RRW