Where is this quote sourced from ?

“Just as one would examine gold through burning, cutting, and rubbing so should monks and scholars examine my words. Only thus should they be accepted, but not merely out of respect for me.”

I quote from Is Buddhism the Most Science-Friendly Religion? - Scientific American Blog Network

He mentions pali canon but I don’t know where in pali canon it is


A google search for parts of the phrase leads to this post:

It is given as from the Ghanavyuha Sutra.

Similat question was asked on Reddit 8 years ago: