There is a story about a father and his young son who were walking through the mountains. Suddenly, the son fell, hurting his leg on a rock. He screamed, ‘AAhhhh!’

To his surprise, he heard a voice repeating, ‘AAhhhh!’

This made him even more curious. So, he yelled, ‘Who are you?’ Back came the same answer, ‘Who are you?’

Feeling a bit perturbed by this response, he yelled out, ‘Coward!’ Back came the same reply, ‘Coward!’

He looked at his father and asked: ‘What’s going on?’ His father smiled and said: ‘Son, pay attention.’

Looking across the valley, his father yelled to the mountain, ‘I admire you!’ The voice answered: ‘I admire you!’

Again the man cried out: ‘You are a champion!’ The voice replied, ‘You are a champion!’

The boy was amazed, but he was very confused. So, his father explained…

‘You are only hearing an echo, the sound…