Metaphysics
To provide a useful answer, I need more context. The phrase "Why do we need what?" is incomplete. Please clarify what "what" refers to.
For example, are you asking:
- Why do we need sleep?
- Why do we need water?
- Why do we need laws?
Once you provide the missing information, I can give you a detailed and relevant explanation.
The feeling held by a blade of grass is a concept explored primarily in creative writing, poetry, and philosophical thought experiments, as grass, being a plant, does not possess consciousness or feelings in the way humans or animals do.
The "world" is a multifaceted concept with several interpretations, depending on the context. Here are some common understandings:
1. The Planet Earth:
In the most general sense, the world refers to the planet Earth and everything on it, including its physical environment, atmosphere, and all life forms.
2. Human Civilization:
The term can also refer to human society, culture, and civilization as a whole. It encompasses all human activities, interactions, and the collective experience of humanity.
3. A Specific Realm or Sphere:
"World" can denote a particular sphere of activity or interest, such as the "business world," the "art world," or the "scientific world." This usage refers to a community of people involved in a specific field and the environment in which they operate.
4. A Personal Perspective:
Each individual can also have their own "world," referring to their personal experiences, relationships, and perspectives.