Complex sentence: In the meantime, Sec explains that the new race will have the intelligence of Daleks, the emotions of humans and the ideals of both, though Sec also states that the Daleks' obsession with universal supremacy must be removed.
Split into simpler sentences: In the meantime, Sec explains that the new race will have the intelligence of a Dalek, but the emotions of a human. He also states that the Daleks' obsession with universal supremacy must be removed.