That is due to the way we emotionally react to such circumstances. A distinction is made here between two ways to feel: based on sensory perception and based on subjective non-sensory experience, that is, not depending on physical sensations, like feeling sad.
Aquí se establece una distinción entre dos modos de sentir: el basado en la percepción sensorial y el basado en la experiencia subjetiva no sensorial, es decir, aquel que no depende de sensaciones físicas, como estar triste.