Death Quote by Hourly History
““Weight, force and casual impulse, together with resistance, are the four external powers in which all the visible actions of mortals have their being and their end.” —Leonardo da Vinci “A””
About This Quote
Source Book: Treatise on Painting, Leonardo da Vinci, c. 1500
The quote describes four external forces—weight, force, impulse, and resistance—that drive all visible human actions from start to finish.
In simple terms: Four forces shape human actions.
Key Takeaway
Recognize and balance these forces.
Themes
physics
human behavior
philosophy
Mood
analytical
reflective
Type
theoretical
philosophical
When to use this quote
- engineering
- sports
- politics
- personal decision-making
Key Concepts
mechanics
causality
agency
Questions to Reflect On
- How do these forces appear in your daily choices?
- Can you identify resistance in a recent project?
A Different Perspective
These forces are abstract and may not map neatly onto every situation.
![“Those who are in love with practice without knowledge are like the sailor who gets into a ship without rudder or compass and who never can be certain [where] he is going. Practice must always be founded on sound theory. —The Discourse on Painting by Leonardo da Vinci” quote by Iggy Fernandez](https://sms4smile.com/quotes/img-quotes/ed6/iggy-fernandez-243527_knowledge_those-who-are-in-love-with-practice-with_144498.jpg)
