I think we have to realize that God sometimes gives us more time to pray, and when he does this, we can pray that he will bless those who have opportunities to speak to others.
Mark DeverMost people are glad for somebody else to share their own story of how they have found spiritual help. The problems start when you begin to universalize your story - when your narrative becomes authoritative and begins affecting their lives as well.
Mark DeverWe can't know at any given time how God will bless our faithful witness. So the apparent numerical growth of the church is never a good guide to how faithful we have been in evangelism.
Mark Dever