Newton devoted considerable time and effort to the study of alchemy, conducting numerous experiments in his laboratory. He sought to uncover the secrets of transmutation, the philosopher's stone, and the elixir of life. His alchemical manuscripts reveal a deep engagement with the mystical and symbolic aspects of the practice.

Newton was deeply interested in theology and devoted a significant portion of his life to the study of scripture and religious texts. He held unorthodox religious views, particularly concerning the doctrine of the Trinity, which he privately rejected. He wrote extensively on biblical prophecy and the interpretation of religious texts.

The full extent of Newton's alchemical and theological work remained largely hidden during his lifetime. Many of his manuscripts on these topics were not published until long after his death. These writings provide valuable insights into his intellectual preoccupations and his worldview, revealing a more mystical and spiritual dimension to his personality.

Some scholars argue that Newton's alchemical and theological beliefs may have influenced his scientific ideas. For example, his concept of a universal force of gravity may have been inspired by his belief in a divine creator who governs the universe. While the precise relationship between these different aspects of his thought remains a matter of debate, it is clear that they were interconnected in his mind.