Of course there are worlds. Millions of them! Every star you see has worlds, and most of those you don't see.
Interpretation
The universe is vast and contains countless worlds beyond our imagination.
In this quote, Isaac Asimov emphasizes the immense number of worlds that exist throughout the universe, each star potentially hosting its own planets. This perspective encourages us to consider the complexity and possibility of life in places we cannot yet see, urging a sense of wonder and curiosity about the cosmos.
In practice
During a science lecture to inspire students about astronomy.
Democracy cannot survive overpopulation. Human dignity cannot survive it. Convenience and decency cannot survive it. As you put more and more people into the world, the value of life not only declines, but it disappears. It doesn't matter if someone dies.
Science does not promise absolute truth, nor does it consider that such a thing necessarily exists. Science does not even promise that everything in the Universe is amenable to the scientific process.
Democracy cannot survive overpopulation.
Although the time of death is approaching me, I am not afraid of dying and going to Hell or (what would be considerably worse) going to the popularized version of Heaven. I expect death to be nothingness and, for removing me from all possible fears of death, I am thankful to atheism.
A subtle thought that is in error may yet give rise to fruitful inquiry that can establish truths of great value.
During the century after Newton, it was still possible for a man of unusual attainments to master all fields of scientific knowledge. But by 1800, this had become entirely impracticable.
What an odd time to be a fundamentalist about adaptation and natural selection - when each major subdiscipline of evolutionary biology has been discovering other mechanisms as adjuncts to selection's centrality.
For me, it was my first cosmic connection, on par with a first kiss. No other planet looks as unworldly or surreal as Saturn. When you see it floating in the eyepiece of your telescope, you feel as if you've uncovered mystery in the cosmos.
There are living systems; there is no living "matter." No substance, no single molecule, extracted and isolated from a living being possess, of its own, the aforementioned paradoxical properties. They are present in living systems only; that is to say, nowhere below the level of the cell.
So far as physics is concerned, time's arrow is a property of entropy alone.
Our senses enable us to perceive only a minute portion of the outside world.
One day the world will look upon research upon animals as it now looks upon research on human beings.
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