Discernamantul cere o baza rece

He wept when they appointed him judge. The deputy asked, "Why do [you]
cry? This is the time to rejoice."

"How can I who does not know decide between two who know?"

"Accept no bribe," the deputy said. "Then you will know. Do not give
in to desire; it will make you blind. Since I turned from vain
desires, my heart has become like a mirror bright. It recognizes truth
from untruth."

                                     -Rumi, "Mathnawi," 2:2744-46, 2753-55