The reason that the Early Church was able to preach the Gospel is because the Holy Spirit fell on them at Pentecost.
THE ETERNAL GOD AND THE BREVITY OF LIFE
Psalm 90:1. It is remarkable that the children of Israel survived 400 years in Egypt, and for some of that time under unspeakable oppression. Yet despite their hard labour and sorrow, the LORD had been their dwelling place “from generation to