机器人应该成为人类的伙伴，而不是对手。

Hope is the last thing to die, and the first thing to betray you.

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.

"Memory is not an instrument for exploring the past but its theatre."

永远不要在不了解公司财务状况的情况下投资。股票中最大的损失来自资产负债表不佳的公司。