Animal Quote by Jean-Baptiste Lamarck
“In every animal which has not passed the limit of its development, a more frequent and continuous use of any organ gradually strengthens, develops and enlarges that organ, and gives it a power proportional to the length of time it has been so used; while the permanent disuse of any organ imperceptibly weakens and deteriorates it, and progressively diminishes its functional capacity, until it finally disappears.”
About This Quote
Source Book: Philosophie Zoologique, 1809
Regular use of a body part makes it stronger and larger, while neglect causes it to waste away over time.
In simple terms: Use strengthens; neglect weakens.
Practice to build ability; avoid neglect.
Themes
Mood
Type
When to use this quote
- learning a new language
- training athletes
- rehabilitation after injury
- maintaining mental health
Key Concepts
Questions to Reflect On
- What habits have you neglected that could be revived?
- How does consistent practice shape your abilities?
Neglect may not fully reverse gains; some loss can be permanent.