When a person is angry with another person, that person is removed from their heart. That's why the physical reaction is to shout. The greater the distance, the louder the shouting. But when individuals are in love, they speak softly, and when they are further in love, no words are needed.
When one says to the great Thinker: "Here is one of your thoughts: I am thinking it now," that is a prayer -- a word to the big heart from one of its own little hearts.