There are too many accidents that can befall life on a single planet.
Sentiment: NEGATIVE
A world is in danger, this planet is in great danger!
We're busily wrecking the chances for future generations at a rapid rate of knots by not recognizing the damage we're doing to the natural environment, bearing in mind that this is the only planet that we know has any life on it.
Life on Earth is at the ever-increasing risk of being wiped out by a disaster, such as sudden global nuclear war, a genetically engineered virus or other dangers we have not yet thought of.
There are probably already too many people on the planet.
Just think: in all the clean, beautiful reaches of the solar system, our planet alone is a blot; our planet alone has death.
If this is the only planet on which not only life, but intelligent life, has arisen, that would be very unusual.
We see an entire planet which has many limitations.
Mars is the only place in the solar system where it's possible for life to become multi-planetarian.
I don't think the planet can survive people. It's not the other way around. I don't think the planet can survive.
I think from my experience in war and life and science, it all has made me believe that we have one life on this planet.
No opposing quotes found.