Complex sentence: However, he continued to insist that Biblical Jesus did not exist and argued that stories such as the virgin birth, the crucifixion around A.D.30 under Pilate and the resurrection should be regarded as legendary.
Split into simpler sentences: However, he continued to insist that Biblical Jesus did not exist. He argued that stories such as the virgin birth, the crucifixion around A.D.30 under Pilate, and the resurrection, should be regarded as legendary.