I remember reading that there was a letter (Geonic, I believe) advising his correspondent to look at the interpretation of a local Christian clergyman of a pasuk; that his was better than the one that the correspondent had. It’s been brought as an example of שמע האמת ממי שאמרה. Can anyone help fi...

I have not seen specific references describing what the red wine represent in the Seder, and why the red wine is preferred. I know Moses did not write about it, but the tradition of the cup developed traditionally for the Seder remembrance for the Passover of the blood sacrifice. My understanding...