“In the meantime, Earl had bought his own insurance company and had spent many hours motivating its sales force to greater accomplishments. When he decided to go on vacation for an extended period of time, his sales manager begged him to put his inspirational words on record. The result later became the recording entitled The Strangest Secret, the first spoken word message to win a Gold Record by selling over a million copies.” via Nightingale-Conant presents Earl Nightingale.