Complex sentence: Syme can be ruthless and cold-hearted, but he is not pure evil, justifying his actions in manipulating and capturing Jackman and abducting his wife and children as for "the greater good".
Split into simpler sentences: Syme can be ruthless and cold-hearted, but he is not pure evil. He justifies his actions in manipulating and capturing Jackman and abducting his wife and children as for "the greater good".