Kent Beck

I always knew that one day Smalltalk would replace Java. I just didn't know it would be called Ruby.

— Kent Beck

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

— Kent Beck

When you find you have to add a feature to a program, and the program's code is not structured in a convenient way to add the feature, first refactor the program to make it easy to add the feature, then add the feature.

— Kent Beck

Any fool can write code that a computer can understand. Good programmers write code that humans can understand.

— Kent Beck

Refactoring (noun) : a change made to the internal structure of software to make it easier to understand and cheaper to modify without changing the observable behavior of the software. To refactor (verb) : to restructure software by applying a series of refactorings without changing the observable behavior of the software.

— Kent Beck

Often you'll see the same three or four data items together in lots of places: fields in a couple of classes, parameters in many method signatures. Bunches of data that hang around together really ought to be made into their own object.

— Kent Beck

When you feel the need to write a comment, first try to refactor the code so that any comment becomes superfluous.

— Kent Beck

The key is to test the areas that you are most worried about going wrong. That way you get the most benefit for your testing effort. It is better to write and run incomplete tests than not to run complete tests

— Kent Beck

The new concept of Extreme Programming (XP) is gaining more and more acceptance, partially because it is controversial, but primarily because it is particularly well-suited to help the small software development team succeed... XP is controversial, many software development sacred cows don't make the cut in XP; it forces practitioners to take a fresh look at how software is developed.

— Kent Beck

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.

— Kent Beck

Optimism is an occupational hazard of programming: feedback is the treatment.

— Kent Beck