The best thing about getting older is that you don't lose all the other ages you've been.

The most important single aspect of software development is to be clear about what you are trying to build.

成功不在于目的地，而在于旅程。

I believe in the power of love to change the world.

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.

真理，通过理性思考和观察自然得出。