释义：通过分析物品的过剩与短缺，就能判断其价值的高低。这句话揭示了市场供求关系对价格的影响。
Don't let your past dictate who you are, but let it be a lesson that strengthens you.
Never underestimate the power of a single breakthrough to change millions of lives.
Day 2 companies make high-quality decisions, but they make high-quality decisions slowly. To keep the energy and dynamism of Day 1, you have to somehow make high-quality, high-velocity decisions.
