Jason Fried on work ethic
Work ethic is about showing up, being on time, being reliable, doing what you say you’re going to do, being trustworthy, putting in a fair day’s work, respecting the work, respecting the customer, respecting the organization, respecting co-workers, not wasting time, not making work hard for other people, not creating unnecessary work for other people, not being a bottleneck, not faking work. Work ethic is about being a fundamentally good person that others can count on and enjoy working with.
Source: Work Ethic