"If you're puzzled by what dark energy is, you're in good company"
About this Quote
The intent is partly pedagogical. Cosmology is full of terms that sound like answers. “Dark” suggests hidden substance; “energy” suggests a known category. The subtext is that those words are placeholders, a label slapped on a gap in understanding so research can proceed without pretending the gap isn’t there. Perlmutter is also quietly defending science against a common cultural demand: tell us what it is, neatly. Here, the honest answer is that the data outpaced the story.
Context matters. Perlmutter helped discover the accelerating expansion in the late 1990s, a result that forced a rewrite of the cosmic budget and revived Einstein’s cosmological constant in new clothes. The quote acknowledges a weird, bracing fact: the most precise measurements in astronomy can produce the least intuitive conclusions. It works because it makes ignorance feel communal and productive, the first step toward better questions rather than a reason to tune out.
Quote Details
| Topic | Science |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Perlmutter, Saul. (2026, January 14). If you're puzzled by what dark energy is, you're in good company. FixQuotes. https://fixquotes.com/quotes/if-youre-puzzled-by-what-dark-energy-is-youre-in-150013/
Chicago Style
Perlmutter, Saul. "If you're puzzled by what dark energy is, you're in good company." FixQuotes. January 14, 2026. https://fixquotes.com/quotes/if-youre-puzzled-by-what-dark-energy-is-youre-in-150013/.
MLA Style (9th ed.)
"If you're puzzled by what dark energy is, you're in good company." FixQuotes, 14 Jan. 2026, https://fixquotes.com/quotes/if-youre-puzzled-by-what-dark-energy-is-youre-in-150013/. Accessed 21 Feb. 2026.



