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 βI 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.
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If the freedom of speech is taken away then dumb and silent we may be led, like sheep to the slaughter.
The most unpardonable sin in society is independence of thought.
How blessed and amazing are God's gifts, dear friends! Life with immortality, splendor with righteous, truth with confidence, faith with assurance, self-control with holiness! And all these things are within our comprehension.
Wait a minute! Wait a minute! I figured this out. I know what's wrong with what we've done in Iraq. We've been following time as it goes forward. What a classic mistake. Linear time is so pre-9-11.
We vary greatly in the natural advantages that we've been given. The world's not fair
I tell you, hopeless grief is passionless; That only men incredulous of despair, half-taught in anguish, through the midnight air beat upward to god's throne in loud access of shrieking and reproach