Doe Quote by George Berkeley
“To be is to be perceived (Esse est percipi)." Or, "If a tree falls in the forest and no one is there to hear it, does it make a sound?”
About This Quote
Source Philosophical Treatise: A Treatise Concerning the Principles of Human Knowledge, 1710
Existence depends on being perceived; without an observer, objects lack experiential reality
In simple terms: Things exist only when seen or thought about
Recognize the role of perception in defining reality
Themes
Mood
Type
When to use this quote
- scientific observation
- artificial intelligence
- social media influence
- personal relationships
Key Concepts
Questions to Reflect On
- How does perception shape what we consider real?
- Can something exist without being observed?
Physical processes occur regardless of perception, challenging the view