<http://schema.org/keywords>
"it's difficult not to think about all the hard work you're doing.  Work is only hard if there is NO purpose to what you do. Purpose fuels our passion and allows us to be incredibly productive. Without purpose there"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.agweb.com/livestock/beef/blog/leave_a_legacy_266/hard_work_or_work_hard/>