תלמוד בבלי מסכת שבת דף קיג עמוד א
ודבר דבר - שלא יהא דבורך של שבת כדבורך של חול. דבור - אסור, הרהור - מותר.
'Nor speaking your own words:' that your speech [conversation] on the Sabbath should not be like your speech on weekdays. 'Speaking': speech is forbidden, but thought [about mundane matters] is permitted. [Soncino Translation]
Suggested Discussion Questions:
According to this, how do you think a person should speak on Shabbat?
According to this, how do you think a person should speak on Shabbat?
Time Period: Rabbinic (Maccabees through the Talmud)