Billions Quote by Carl Sagan
“There is much that science doesn't understand, many mysteries still to be resolved. In a Universe tens of billions of light-years across and some ten or fifteen billion years old, this may be the case forever. We are constantly stumbling on new surprises”
About This Quote
Source Interview: Cosmos: A Personal Voyage, 1980
Science has vast unknowns; the universe’s scale ensures continual discovery and mystery.
In simple terms: Science knows little; the cosmos is huge and mysterious.
Embrace curiosity and humility.
Themes
Mood
Type
When to use this quote
- astronomy education
- philosophy of science
- public outreach
- research funding
Key Concepts
Questions to Reflect On
- What mystery excites you most?
- How do we balance awe with scientific rigor?
Complexity can overwhelm public interest.