It’s easy, even enticing, to neglect the importance of filling our time with meaning, thinking instead that we’ll be content with merely filling our time. We self-impose these measures of self-worth by looking at quantity instead of quality of activity.

(Source: blog.idonethis.com)

While quality and detail are important, there is a balance. Sometimes it pays to just ship the damn thing and adjust accordingly.
Jason Fried: In Praise of the Quick-and-Dirty Project via 99u