Bro. Josh wants to remind us that we must preach the word. Be busy about telling our story of what Jesus did for us.
In Paul's 2nd letter to Timothy he reminds him that the people are far from God. He tells Timothy that he must preach the word and be ready in season and out of season.
We are reminded that we have work to do, and that work is to live this Christian life and tell our story of what Jesus did for us and what He will do for anyone who asks.