You see, certain developers love building the first versions or prototyping — they are the ones who love hacking things together to get something working quickl

You see, certain developers love building the first versions or prototyping — they are the ones who love hacking things together to get something working quickly. They love (and are best at) building version 1 of a product. The other type of developers love building the second version. They see their code as a craft and write unit tests for everything. "Test coverage" and "beautiful code" are phrases they use a lot. Hmm... I find myself on both sides, though I prefer the second option by far. "Beautiful code" is indeed one phrase I use a lot :)