And when his audience grew bored, he would spring into the air and do a back flip with a half twist.

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

看东西只有用心才能看得清楚，重要的东西用眼睛是看不见的。

适应变化是我们行业历史的一部分，也将是我们未来成功的关键。