Bede the Venerable — as excerpted in the Catena Aurea on Luke 11:29-32

“Our Lord had been assailed with two kinds of questions, for some accused Him of casting out devils through Beelzebub, to whom up to this point His answer was addressed; and others tempting Him, sought from Him a sign from heaven, and these He now proceeds to answer. As it follows, And when the people were gathered thick together, he began to say, This is an evil generation, &c.”