Its very hard to find the difference between the two, but for me I'll go both. I guess working hard and working smart will always be a partner. Working hard without using your intelligent is useless, we work hard for us to succeed that's why it is important that we should be smart on the strategies and techniques for us to be able reach what we aim in life. True that working hard will make our boss richer, we need also to be smart to look for a way that our lives also improves out from the salary that we got from our employer by thinking some ways on how to make our money grow out from our ideas and ability.