We only have to look at ourselves to see how intelligent life might develop into something we wouldn't want to meet.
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.
Interpretation
What this quote means
This quote emphasizes the fragility of life on Earth and the ever-present risks that could lead to its annihilation.
Stephen Hawking's quote highlights the precariousness of human existence on Earth, warning that our planet is vulnerable to numerous catastrophic events. He points out potential threats such as nuclear war and biological hazards, urging humanity to recognize these risks and prepare to address them. This serves as a reminder of our responsibility to safeguard the future of life on Earth in the face of both known and unknown dangers.
Themes
In practice
Example use cases
In a keynote speech about environmental sustainability, one might quote Hawking to illustrate the urgent need for action.
More from Stephen Hawking
All quotes →I regard the brain as a computer which will stop working when its components fail. There is no heaven or afterlife for broken down computers; that is a fairy story for people afraid of the dark.
It surprises me how disinterested we are today about things like physics, space, the universe and philosophy of our existence, our purpose, our final destination. Its a crazy world out there. Be curious.
I was not a good student. I did not spend much time at college; I was too busy enjoying myself.
The world has changed far more in the past 100 years than in any other century in history. The reason is not political or economic but technological-technologies that flowed directly from advances in basic science. Clearly, no scientist better represents those advances than Albert Einstein: TIME's Person of the Century.
In my opinion, there is no aspect of reality beyond the reach of the human mind.
Similar quotes
I'm drawn to the taboos that surround the human body. I find it fascinating that we are repelled by many of the acts and processes that keep us alive.
When we dehumanise and demonise our opponents, we abandon the possibility of peacefully resolving our differences, and seek to justify violence against them.
How dreadful it is when the right judge judges wrong!
And I'm not sure why I'm infatuated with death,_x000D_ _x000D_ My imagination is surely an aggravation of threats..._x000D_ _x000D_ Maybe cause I'm a dreamer, and sleep is the cousin of death,_x000D_ _x000D_ Really stuck in the scheme of wondering when I'mma rest.
Free grace will fix those whom free will shook down into a gulf of misery.
When God wants to judge a nation, He gives them wicked rulers.