Each department of knowledge passes through three stages. The theoretic stage the theological stage and the metaphysical or abstract stage.

Summary

This quote suggests that the development of any field of knowledge can be seen in three stages of progression. The first stage is the theoretical stage, where facts and empirical evidence are explored and analyzed. The second stage is called the theological stage, where ideas and concepts are examined from a religious or spiritual perspective. Finally, the last stage is the metaphysical or abstract stage, where theories and concepts are explored beyond the physical realm. This quote emphasizes the evolution and different approaches that disciplines undergo throughout history.