How can one recognize a Mujtahid who is the best scholar?
Answer: There are three ways to recognize a Mujtahid that is the best scholar:
-1 The person himself must be certain.
-2 Two just scholars who can recognize a Mujtahid and a scholar must confirm it, provided that the two just scholars do not contradict their statement.
-3 The statement of scholars who can recognize a Mujtahid and a scholar must be confirmed.