אֵין מְבִיאִין רְאִיָּה מִן הַשּׁוֹטִים

ביטוי (אנגלית)

One does not bring evidence from fools

הגדרה (אנגלית)

One cannot rely on information provided by a fool. The testimony of a foolish person is generally worthless.

("Rabbi Eliezer said to the sages: Did not Ben Stada bring out sorcery from Egypt by making marks on his flesh? They said: He was a fool, and one does not bring evidence from fools" - Shabbat 104b)