Symeon on Human Nature
This is what man is: a living essence both dead and immortal, visible and invisible, sensory and mental, capable of seeing visible creation, and grasping thought.
Note. Symeon the New Theologian Chapters 2.23.
Chapters
Chapters 2.23
Palmer, G. E. H. (Ed.). (1995). The Philokalia Volume 4 (Palmer, G. E. H., Sherrard, P., & Ware, K., Trans.). Faber & Faber.