I'm not a great programmer; I'm just a good programmer with great habits.

The business changes. The technology changes. The team changes. The team members change. The problem isn't change, per se, because change is going to happen; the problem, rather, is the inability to cope with change when it comes.

Learning research tells us that the time lag from experiment to feedback is critical.

Listening, Testing, Coding, Designing. That's all there is to software. Anyone who tells you different is selling something.

Of the four project development variables - scope, cost, time and quality - quality isn't really a free variable. The only possible values are "excellent" and "insanely excellent", depending on whether lives are at stake.

How good the design is doesn't matter near as much as whether the design is getting better or worse. If it is getting better, day by day, I can live with it forever. If it is getting worse, I will die.

Sometimes the problem has to mature before the solution can mature.