What did Bertrand Russell mean when he said this about Pythagoras?

Question: What did Bertrand Russell mean when he said this about Pythagoras!?

"[Pythagoras] founded a religion, on which the the main tenets were the transmigration of souls and the sinfulness of eating beans!. His religion was embodied in a religious order, which, here and there, acquired rule of the state … But the unregenerate hankered after beans, and sooner or later rebelled!."Www@QuestionHome@Com

Best Answer - Chosen by Asker:

He didn't eat beans because he wasn't right in the head!.Www@QuestionHome@Com