Better yet, since the Rebbe was referring to the Frierdiker Rebbe after his histalkus, I’ll give you a story I just heard today :
A lubavitcher chossid had to buy gf stuff for his wife. So he went to a gf store in boro park where the cashier told him this story :
Rabbi katz in BP (There are three) Once wrote to the Rebbe and never got an answer. After gimmel tammuz he got a call that a letter had been found for him from years before.
In it, the Rebbe answered his question from years before, plus wished him a refuah sheleima. There were seven dollars enclosed for each of his children.
The thing is he had gotten sick after gimmel tammuz, and he had seven kids when he got the letter but only five when he wrote it!
This is what it means the Rebbe is able to do anything.
Normally people are limited by nature. Tzaddikim aren’t m