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.

永远不要让世界上任何人告诉你不能做真正的自己。

Future companies are either data-driven or obsolete.

Life is like a cup of tea, it won't be bitter forever, but it will be bitter for a while.

观察天地万物的自然景象，学习圣贤克己养性的工夫。行动上就是身体力行，奋斗不止，而最终的目的就是存诚自然。

"If you feel like you're losing everything, remember that trees lose their leaves every year and they still stand tall and wait for better days."

Stay hungry, stay foolish.