对于灾难风险，如果我们像购买保险时一样进行谨慎的分析 — — 用后果乘以可能性 — — 我们肯定会把降低这种极端风险的措施排在第一位。
If we apply to catastrophic risks the same prudent analysis that leads us to buy insurance – multiplying probability by consequences – we would surely prioritize measures to reduce this kind of extreme risk.