① 投资 AI 项目：低利率时代，"十年后会赚钱"的叙事能撑起高估值；利率一高，市场只认"现在就有现金流"。② 个人决策同理——你花两年学一项深度技能，本质是用"现在的确定收益"换"未来的不确定回报"，你的隐含贴现率决定了这笔投资划不划算。③ 陪孩子做"延迟满足"训练，就是在帮她调低大脑那条过陡的双曲贴现曲线。看不见的贴现率，悄悄决定了所有跨时间的选择。
English Summary
The Nature of Interest Rates — the interest rate is the price of time, the exchange rate converting future money into present money. It's the economy's universal discount rate: when it moves, every asset's present value is repriced. Low rates make distant cash flows valuable (growth assets soar); rate hikes steeply discount the future, crushing "story-in-the-distance" assets first. It's also the opportunity cost of capital — the risk-free rate is the hurdle every investment must clear. Structurally isomorphic to neural temporal discounting (hyperbolic: steep near, flat far). Every long-term decision embeds an implicit discount rate: ask "how steeply am I discounting the future?"
AI Prompts
中文提示词
我正在做一个跨时间的决策：[描述决策，例如投资某项目 / 学某技能 / 现在花钱 vs 存钱]。请用"利率=时间的价格"这个透镜帮我分析：
① 这个决策隐含的贴现率大概是多少？我是在"高折扣未来"还是"低折扣未来"？
② 如果无风险利率上升 [X]%，这个决策的吸引力会怎么变？
③ 我对"现在 vs 未来"的偏好，是理性权衡还是双曲贴现的本能在作祟？
English Prompt
I'm facing a decision across time: [describe, e.g. invest in a project / learn a skill / spend now vs save]. Use the lens "interest rate = the price of time":
1. What implicit discount rate does this decision embed — am I discounting the future steeply or shallowly?
2. If the risk-free rate rose by [X]%, how would this decision's attractiveness change?
3. Is my preference for now-vs-later a rational tradeoff, or hyperbolic discounting acting on instinct?
① 理财：把现金长期躺在账户 = 默认接受购买力被通胀缓慢侵蚀，"不投资"本身就是一种带负利率的选择。② 认知层面也有"通胀"：当某个词（如"颠覆""范式""AI 赋能"）被滥用，它承载的信息量被稀释，最后约等于没说——概念也会通胀贬值。③ 时间预算：如果你给每件事都贴"重要"，"重要"这个标签就通胀了，再也无法筛出真正的优先级。
English Summary
Inflation — "prices going up" is the effect, not the cause. The real mechanism: money, the ruler of value, is itself shrinking. When money is printed faster than real wealth grows, each unit's purchasing power is diluted — things aren't more expensive, the ruler is shorter. (1) Inflation is first a distribution problem: new money has an injection order (the Cantillon effect) — those nearest the printer buy at old prices; savers and wage-earners face already-risen prices. A hidden transfer toward those closest to the money spigot. (2) Isomorphic to information entropy: prices signal where scarcity is; inflation adds noise to every signal, distorting resource allocation. (3) Mild inflation is a lubricant; hyperinflation is a solvent — once expectations self-reinforce, money's store-of-value function collapses. Measure wealth in real purchasing power, not nominal numbers.
AI Prompts
中文提示词
我想评估 [某项资产 / 收入 / 储蓄安排] 在通胀下的真实处境。请用"通胀=尺子缩水"的视角帮我：
① 把名义数字换算成真实（剔除通胀）数字，我的真实增长到底是多少？
② 在这件事里，我是"靠近印钞机"的受益方，还是"远离印钞机"的被稀释方？
③ 我有没有把某个概念/标签用到"通胀贬值"（滥用到失去信息量）？如有，请指出。
English Prompt
I want to assess [an asset / income / savings setup] under inflation. Use the lens "inflation = a shrinking ruler":
1. Convert the nominal numbers to real (inflation-adjusted) ones — what's my true growth?
2. In this situation, am I a beneficiary (near the money printer) or a diluted party (far from it)?
3. Have I overused any concept/label to the point of "conceptual inflation" (so diluted it carries no information)? Flag it if so.
① 创业/投资：借钱 All in 高增长，顺风时回报惊人，但一次现金流断裂就出局——凯利公式（Day 51）告诉你下注比例，债务周期提醒你别在周期顶部满仓杠杆。② 个人精力的"杠杆"：熬夜透支是向未来的健康借债，短期产出暴涨（繁荣），迟早要用更长的恢复期偿还（萧条），且利息随年龄上升。③ 育儿：用奖励/施压"借支"孩子当下的配合，是在透支她的内在动机，未来连本带利要还。
English Summary
Leverage & the Debt Cycle — leverage symmetrically amplifies gains and losses, but asymmetrically amplifies risk: past a threshold, a margin call turns a temporary paper loss into permanent ruin. Debt borrows purchasing power from your future self, repaid by consuming less later. (1) Debt creates cycles because it separates spending from repayment in time: the borrowing phase inflates demand (boom), the repayment phase suppresses it (bust). (2) Short-term debt cycles (years, steered by central-bank rates) ride atop a long-term cycle (decades, debt/income ratios accumulating until no one can borrow more). The danger sits at the long-cycle top: everything looks fine, but the system has no room left to lever. (3) Deleveraging is reflexive (Day 51's concavity): everyone sells to repay → prices fall → collateral shrinks → forced selling — a downward spiral. Before any leverage, ask: would the worst case zero me out?
AI Prompts
中文提示词
我在考虑使用杠杆/负债：[描述，例如借钱投资、贷款创业、透支精力/时间]。请用"杠杆与债务周期"分析：
① 最坏情况下，这个杠杆会不会触发"强制平仓"式的永久出局？阈值在哪？
② 我现在处在所属周期（市场/项目/身体）的哪个位置——是底部还有空间，还是顶部已无缓冲？
③ 如果要用杠杆，给我一个"下行封顶"的设计，让我能扛过去杠杆、活到下一轮繁荣。
English Prompt
I'm considering using leverage/debt: [describe, e.g. borrow to invest, loan to start up, overdraw energy/time]. Analyze via "leverage & the debt cycle":
1. In the worst case, could this leverage trigger a margin-call-style permanent wipeout? Where's the threshold?
2. Where am I in the relevant cycle (market / project / body) — bottom with room, or top with no buffer left?
3. If I use leverage, design a "capped downside" so I can survive the deleveraging and reach the next boom.
① 投资复盘：别用名义收益率自我感觉良好，扣掉通胀才是真实回报；现金"看着没亏"，购买力其实在悄悄缩水。② 谈薪/估值：评估 offer 或项目回报，先问"这是名义还是真实"，别被一个漂亮的名义数字框住。③ 更广义——任何用"数字大小"代替"实际意义"的判断，都是货币幻觉的变体：粉丝数、KPI、论文数，盯着名义指标很爽，真实价值可能早已脱节（呼应 Day 50 古德哈特定律）。
English Summary
Money Illusion — mistaking nominal numbers for real value. The brain naturally thinks in "money on paper" rather than "what it buys." A 10% raise under 12% inflation feels like a gain, but purchasing power fell — nominal up, real down. (1) It's a special case of the framing effect: the same reality described in nominal vs real frames produces opposite emotions and choices. People accept "+2% pay with 4% inflation" far more readily than "−2% pay with zero inflation," though real purchasing power is identical — making inflation a "painless pay cut" tool. (2) At root it's a map-territory confusion: nominal price is the map, real purchasing power is the territory; you read a warping ruler while believing the distance is fixed. (3) Most toxic over long horizons, where mild inflation makes nominal doubling feel like real wealth. Force every cross-time money comparison into real (inflation-adjusted) terms before judging.
AI Prompts
中文提示词
我要判断 [某笔回报 / 涨薪 / 资产升值 / 某个指标] 的真实意义。请用"货币幻觉=名义≠真实"帮我祛魅：
① 把名义数字换算成真实值（剔除通胀/成本），真实变化到底是正还是负？
② 我是不是被"名义框架"框住了情绪？换成"真实框架"我会怎么看？
③ 这里有没有"用数字大小冒充实际价值"的陷阱（KPI、粉丝、估值等）？真实价值与名义指标脱节了吗？
English Prompt
I want to judge the real meaning of [a return / raise / asset gain / some metric]. Use "money illusion = nominal ≠ real" to de-mystify:
1. Convert the nominal number to real value (strip inflation/costs) — is the real change positive or negative?
2. Am I emotionally captured by the nominal frame? How would I see it in a real frame?
3. Is there a "big number masquerading as real value" trap here (KPI, followers, valuation)? Has real value decoupled from the nominal metric?