Determine Quote by Francis Crick
“Trying to determine the structure of a protein by UV spectroscopy was like trying to determine the structure of a piano by listening to the sound it made while being dropped down a flight of stairs.”
About This Quote
Source Letter: 1955, to Linus Pauling, describing protein analysis challenges
Comparing protein structure determination to hearing a piano’s sound while it falls illustrates the difficulty of indirect inference.
In simple terms: Indirect methods can be misleading.
Key Takeaway
Use direct evidence when possible.
Themes
science
methodology
analogy
Mood
cautious
inquisitive
Type
scientific
educational
When to use this quote
- research design
- data interpretation
- education
Key Concepts
structural biology
experimental limits
Questions to Reflect On
- How reliable are indirect measurements?
- What alternatives exist for structural insight?
A Different Perspective
Analogies may oversimplify complex systems.
![“In a certain sense I made a living for five or six years out of that one star [Ï… Sagittarii] and it is still a fascinating, not understood, star. It's the first star in which you could clearly demonstrate an enormous difference in chemical composition from the sun. It had almost no hydrogen. It…” quote by Jesse L. Greenstein](https://sms4smile.com/quotes/img-quotes/478/jesse-l-greenstein-68462_areas_in-a-certain-sense-i-made-a-living-for-f_529211.jpg)
