According to Chiang, all three of these pollutants can harm humans and other living things, affect the natural environment, and even corrupt human ethics and spiritual values. The science of genetics is still in its infancy, but already people are becoming uneasy about the harm it may cause.
他指出，化學物質與放射能之外，基因工程也可能危害人類與生物，影響大自然生態，甚至對社會倫理觀念、人類心靈產生污染。