Read the text and answer question.

(...) “In the history of the world have not men marched hundreds of miles with strength and vigor, not knowing what they were going to face, on hearing the voice of their commander: ‘Quick march!’? It seemed that fear, all anxiety were taken away, and all vigor and courage were given to them, as they were going to march. and again have you not heard of commanders who said: ‘Fire!’ and soldiers turned back and fired at them? That is the voice too.” (...)

Adapted from Khan, Hazrat Inayat. The Mysticism of Sound and Music. The Power of the Word. Vol II. Editora Shambhala, 2022