"But... can you be truly certain... that this world is virtual?" Lin Shen asked Yu Xuanji with a faint tone, "Even if this world is indeed, as you say, just a virtual one, then what of it? You can feel pain from the evil others do to you, and you can feel touched by the kindness they show you. The good deeds others do for you won't disappear just because this is a virtual world; those are real actions they take, and that is no justification for you to casually murder close friends and family. Or is it that you're naturally cold-hearted and selfish, considering only yourself, and this is merely an excuse?"