Life is but an echo

A son and his father were walking in the mountains. Suddenly, his son falls, hurts himself and screams: “AAAhhhhhhhhhhh!!!” To his surprise, he hears the voice repeating, somewhere in the mountain: “AAAhhhhhhhhhhh!!!” Curious, he yells: “Who are you?” He receives the answer: “Who are you?” Now angered at the response, he screams: “Coward!” He receives the answer: “Coward!” So the boy looks to his father and asks: “What’s going on?” The father smiles and says: “My son, pay attention.” And then he screams to the mountain: “I admire you!” The…