In the old world， you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world， that inverts.

给我一个英雄，我会给你写一个悲剧。

The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight. Quality means conformance to requirements.

We must constantly question the narratives we inherit and seek out the stories that have been left untold.

A mathematician is a maker of patterns, like a painter or a poet.

我们必须从一开始就考虑产品的生命周期结束。