Blades Quote by Carl Sagan
“A blade of grass is a commonplace on Earth; it would be a miracle on Mars. Our descendants on Mars will know the value of a patch of green. And if a blade of grass is priceless, what is the value of a human being?”
About This Quote
Source Essay: Cosmos, 1995
A single blade of grass is abundant on Earth but would be extraordinary on Mars, highlighting how scarcity changes perceived value, and prompting reflection on human worth.
In simple terms: Scarcity makes things valuable; consider human value.
Key Takeaway
Recognize the intrinsic worth of life.
Themes
environment
value
philosophy
Mood
thoughtful
inquisitive
Type
philosophical
reflective
When to use this quote
- space missions
- environmental ethics
- resource allocation
Key Concepts
scarcity
human dignity
planetary colonization
Questions to Reflect On
- What defines a human life’s value?
- How does scarcity affect our ethics?
A Different Perspective
Value judgments can be culturally biased.
![“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion, why do you not believe in materialistic science, which has an unparalleled record of fulfilled prophecy? Consider, for example, eclipses.” quote by Carl Sagan](https://sms4smile.com/quotes/img-quotes/875/carl-sagan-160_belief_when-a-religious-couple-wrote-to-sagan-a_25095.jpg)
