From Acts 4 & 5, "Great Grace" was upon them all. The people were amazed and this Grace overwhelmed them and turned them to radical generosity!
...God wants to change YOU in THIS world. The prayer for boldness in Acts 4 shook the world then, and it changes lives now.
There's no other name under heaven... The gospel message moves forward by those who are recognized as "..having been with Jesus". Do people see that you have been with Jesus?