Both theories are patient-care theories. These theories focus on the care of the patient, rather than the individual nurse, the nursing process and the relationship between the nurse and the patient (Nursing-Theory.Org, n.d.). Nightingale emphasizes the importance of the patient’s environment, which will in turn help the patient’s body to heal itself. Kolcaba highlights the importance of the patients comfort. The goal of good nursing care is to make sure that the patient is comfortable. A patient’s environment must be comfortable in order for the healing process to begin. A patient must have all the seven canons addressed in order for the patient to be comfortable. Essentially, Kolcaba’s theory is a “useful middle range theory that addresses Nightingale's environmental principles of providing care” (Shu Hua, 2017, p.