He said to him, "Most assuredly, I tell you, hereafter you will see heaven opened, and the angels of God ascending and descending on the Son of Man."

 When John Knox preached in the days of the Reformation in Scotland it was said that the voice of that one man put more courage into the hearts of his hearers than ten thousand trumpets braying in their ears. His words did things to people. In the days of the French Revolution Rouget de Lisle wrote the Marseillaise and that song sent men marching to revolution. The words did things. In the days of the Second World War, when Britain was bereft alike of allies and of weapons, the words of the Prime Minister, Sir Winston Churchill, as he broadcast to the nation, did things to people. 