Belief Quote by Thomas Henry Huxley
““What we call rational grounds for our beliefs are often extremely irrational attempts to justify our instincts.””
About This Quote
Source Book: The Origin of Species (citing Huxley’s commentary)
We often rationalize instinctive beliefs with elaborate but flawed logic, mistaking intuition for reason.
In simple terms: Instincts are justified with bad logic.
Key Takeaway
Question your justifications.
Themes
critical thinking
psychology
philosophy
Mood
skeptical
reflective
Type
analytical
philosophical
When to use this quote
- debates
- personal decisions
- scientific reasoning
- ethical dilemmas
Key Concepts
cognitive bias
justification theory
Questions to Reflect On
- How do you distinguish instinct from reason?
- When does rationalization become self‑deception?
A Different Perspective
Instincts can be valuable guides despite irrational rationalizations.
![“My greatest personal mistake is ever to allow a word or moment that “doesn’t count,” i.e., that I do not refer to my own basic principles. Every word, every action, every moment counts. (This is the pattern on which everybody makes mistakes [or] becomes irrational — not relating their one action…” quote by Ayn Rand](https://sms4smile.com/quotes/img-quotes/cf6/ayn-rand-59_action_my-greatest-personal-mistake-is-ever-to_36324.jpg)
