Quote · The Diary Of A CEO with Steven Bartlett
Neil deGrasse Tyson On Aliens, Simulation Theory, and What Happens Inside A Black Hole
Where this was said
How Small Are We in the Universe?
At 14:24 · chapter starts 7:30
Steven Bartlett describes feeling 'insignificant' after watching Cosmos, and Tyson immediately pushes back on the framing. Size is not a linear concept — it's exponential, measured in powers of ten. Humans are large compared to atoms and small compared to galaxies, but that doesn't make us cosmically unimportant. Tyson also notes that life forms could theoretically exist at molecular or nuclear scales — entities for whom we would look impossibly large and slow. He introduces a fascinating thought experiment from his alien book Take Me To Your Leader: are we biased toward expecting life at human scale? He also uses the Pixar film A Bug's Life to illustrate how surface tension — irrelevant to humans, vital to insects — demonstrates that physical laws manifest entirely differently depending on scale. You can't just 'scale things up' and expect the same behavior.
Every oxygen, carbon, and iron atom in your body was forged inside a dying star that then exploded, seeding the galaxy with the ingredients for life. You are not just made of the universe — you are solar-powered, and the universe is literally alive within you.