Talmud su Proverbi 31:8

When Rav Huna saw that witnesses said exactly the same, he was investigating¹³⁹Witnesses using exactly the same language either bear false witness or they went over their testimony beforehand. Then they can be counted only as one witness, not as the biblically required two.. When he saw them essentially identical, he determined the common element¹⁴⁰He summarized the common points.. Rav Huna made light of a judge who said, “accept a single witness,” but they should say it themselves¹⁴¹Two independent witnesses are absolutely necessary only in criminal trials. Civil suits may be determined on the basis of documents or, with the agreement of the parties, single witnesses. But accepting a single witness cannot be suggested by the court.. When Rav Huna realized an argument in favor of a person who himself did not know it, he guided him¹⁴²Since the parties are not supposed to consult lawyers, the judge may by a Socratic dialogue with the parties steer one of the parties to a certain argument which the latter did not see before., following¹⁴³Prov. 31:8. open your mouth for the dumb.