@arso
In ALL the seforim avodas habirurim is what is required since sheviras hakeilim, and when that is finished Mashiach arrives IMMEDIATELY. (Surprise, surprise! You can find all this on our erstwhile friend chabadpedia.)
big mekubal! you see one line (not even in the source as you say from Wikipedia) and ask kashos, it reminds me of the joke they say about litvaks
So nice you have nasty litvak jokes. Edited.