"Will you work with and for me?" Hos. 6:6 (AMP, NLT)
When I was doing my undergraduate degree, one of my mentors, Pst Laju Iren, used to say, "it is good to work for God; it is better to walk with God but it's best to work with and for God". Much more than our service to Him, God seeks a relationship with us. It's not as though He doesn't want us to serve Him... At least, He told Pharaoh to let Israel go in order that they would serve Him (Exo. 8:1). But we see that these same people who were released to serve God kept honoring God with their lips whereas their hearts were far away from Him (Is. 29:13). You may then ask, what exactly did God really want from them? A RELATIONSHIP. The same thing He wants from us today.