Words that soak into your ears are whispered, not yelled. (Charles Martin, author)
In an emergency, shouting with a really loud voice is probably the best way to warn of impending danger or to cry for help. In public speaking, however, especially after a shouted emphasis, a whispered tone will likely gain more attention. And when it comes to romance, a whispered “I love you” will be much more effective.
And after the earthquake there was a fire, but the Lord was not in the fire. And after the fire there was the sound of a gentle whisper (1 Kings 19:12).