The Secret of the Ages

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Robert Collier, an influential American author in the self-help and New Thought movements, explored themes of abundance, desire, and personal development in his works. His notable book, The Secret of the Ages, emphasizes practical psychology, visualization, and the importance of confident action, reflecting his belief in the power of the mind to shape one's reality. With over 300,000 copies sold, Collier's writings continue to inspire those seeking personal growth and success.