We only have to look at ourselves to see how intelligent life might develop into something we wouldn't want to meet.
Stephen HawkingRead
The cyclic universe theory predicts no gravitational waves from the early universe.
Interpretation
What this quote means
The quote suggests that the cyclic universe theory implies the absence of certain cosmic phenomena, specifically gravitational waves, in the early universe.
In this quote, Stephen Hawking discusses a key aspect of the cyclic universe theory, which posits that the universe undergoes endless cycles of expansion and contraction. According to this theory, the conditions in the early universe differ from those predicted by other models, particularly in relation to gravitational waves, indicating that certain physical phenomena may not have occurred during its formative stages.
Themes
Cyclic UniverseGravitational WavesPhysicsCosmology
In practice
Example use cases
In a lecture on cosmology, you might use this quote to illustrate the differences between various theories of the universe.
More from Stephen Hawking
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In my opinion, there is no aspect of reality beyond the reach of the human mind.
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Science seeks the truth. And it does not discriminate. For better or worse it finds things out. Science is humble. It knows what it knows and it knows what it doesn’t know. It bases its conclusions and beliefs on hard evidence -- evidence that is constantly updated and upgraded. It doesn’t get offended when new facts come along. It embraces the body of knowledge. It doesn’t hold on to medieval practices because they are tradition.
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The most remarkable discovery ever made by scientists is science itself. The discovery must be compared in importance with the invention of cave-painting and of writing.
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