James Allen's theory is captured in As a Man Thinketh (1903). These slates demonstrate the influence of thoughts on our personalities, situations, and well-being. We learn the advantages of mastering our minds and directing our thoughts towards our desired outcomes.
James Allen, a British author best known for his thoughts on the force of thought, lived from 1864 to 1912. As a Man Thinketh, his most popular work, has influenced generations of self-help writers.