Innovation is the only way to break through resource constraints.

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

The past is a cupboard full of light and all you have to do is find the key that opens the door.

君子这样来造船车，所以属下都效法他，因此他的人民就会饥寒交迫，不得不做奸邪的事。奸邪的事情一多，刑罚就重，刑罚一重，国家就混乱。国君若真的希望天下太平而不希望天下大乱的话，如果要做船车，就不能不节俭。