GO and work. A. Man was created to work. And the LORD God took the man, and put him into the garden of Eden to dress it and to keep it. I think heaven will include work. Every aspect of Christianity involves work.
Prayer is work.
Epaphras, who is one of you, a servant of Christ, saluteth you, always labouring fervently for you in prayers, that ye may stand perfect and complete in all the will of God. Jesus in Gethsemane. Understanding God's word is work. Study to show thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth. Soul winning is work.