The less you speak. Many great and greater than great Guru are out there. But they hardly speak. The secrets are kept secrets
what is the method with which Jesus brought a very dead Lazarus back to life?
Or the method with which Babaji created a palace?
Or Gyaneshwar moved a patio / wall
Such miracles also have laws to obey.
Great Saints like Bharat Raja, Mirabai, had tremendous power but they kept if hidden
That is greatness
Bhavin