The Holy Bible emphasized this important topic, many times. Jesus said, "WATCH OUT that you are NOT deceived. For many WILL come in my name, claiming, "I am he,' and, 'The time is near.' Do NOT follow them. (Luke 21:8). http://www.youtube.com/watch?v=VvElky4Qwe4&feature=related Jesus said, "WATCH OUT that no one deceives you. For many WILL come in my name, claiming, 'I am the Christ,' and WILL deceive many. (Matthew 24:4-5).