Hearing God

Imagine you are hired to open up an office in Anchorage, Alaska. Your new boss gives you a high-tech looking two-way radio, a policy and procedure manual, and tells you that you will receive instructions once you arrive, and off you go. Upon arrival you hear your boss's voice over the radio, saying, "I will communicate to you through this radio unit. But take note: our competitors, our enemies, also have access to this channel. They will try to impersonate my voice with false messages to thwart our purposes." "Oh no!" you panic, "Then how will I know if it is you or the enemy giving me instructions?"
Your boss's voice comes back over the radio: "Three ways. First, considering the situation, check every message supposedly from me against the policy and procedure manual. Since I wrote it, I'm not likely to ask you to violate it, right? Also, if I am not talking, don't focus in on the noise, pretending that I am. If I am not speaking, let the manual be your guide. Don't let any impersonating voice mislead you, or your own overactive imagination."
"Second, since the Manual does not cover every situation, you will have to get to know my voice. I know, this will take time, and so I am not likely to ask you to do anything radical until we both have some low-risk successes under our belts. Remember, I understand the situation perfectly well, so I'll go slow at first. A time will come when I will be able to tell you to do the wildest things, and you will know it is me. In the short-term, you must be trained through low-risk experience."
"Third, over time, my overall purpose for your work will begin to come into focus. You will begin to see the grand strategy in the policy and procedure manual, and the overall pattern of my true instructions. When this happens, you'll know instantly if what you hear through your unit is 'of me', just your imagination, or enemy misinformation. False instructions will begin to appear silly to you then. So take heart, and get to work."
After reflecting on this a few moments, you hear your boss's voice again on the radio unit. "Take all of the money from petty cash and give it the next person that walks in, no questions asked." Hmmm... You look in the policy and procedure manual, and this is specifically forbidden. Besides, you know your boss wouldn't tell you to do something that risky right off. And also there was an certain "twang" to the voice, an appeal to something different within you, and a plan that was not in the long-term interests of the company. So, even though you are on a hostile channel, you are beginning to have hope that you can indeed do this job.