The context is so important. The context is not just the physical context, but also the historical and cultural context.

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 only way to do great work is to love what you do.

To write history is to wrestle with ghosts.

能源的未来在于多样化——石油、天然气、可再生能源及其他。