" Years earlier, in a video about world history, I’d speculated about what might happen “if some superbug shows up tomorrow and it travels all these global trade routes.” In 2019, I’d said on a podcast, “We all must prepare ourselves for the global pandemic we all know is coming.” And yet, I did nothing to prepare. The future, even in its inevitabilities, always feels vague and nebulous to me—until it doesn’t. "

― John Green , The Anthropocene Reviewed