Skip to content

Causes Quote by Leonardo da Vinci

“All our knowledge hast its origins in our perceptions … In nature there is no effect without a cause … Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments … Science is the observation of things possible, whether…” quote by Leonardo da Vinci
Download Open image
“All our knowledge hast its origins in our perceptions … In nature there is no effect without a cause … Experience never errs; it is only your judgments that err by promising themselves effects such as are not caused by your experiments … Science is the observation of things possible, whether present or past; prescience is the knowledge of things which may come to pass.”

Leonardo da Vinci

About This Quote

Source Manuscript: Codex Leicester, 1500s

Science relies on observation and cause‑effect; errors stem from faulty judgments, not experience.

In simple terms: Science is about observing causes; mistakes are judgmental.

Key Takeaway

Question assumptions before concluding.

Themes

science philosophy observation causality experience

Mood

analytical philosophical

Type

educational

When to use this quote

  • research design
  • experimental planning
  • data analysis
  • peer review

Key Concepts

empiricism critical thinking methodology

Questions to Reflect On

  • What assumptions do you hold about your data?
  • How can you test causality more rigorously?
A Different Perspective

Human bias can distort scientific interpretation.

5.0 out of 5 (5 ratings)

More by Leonardo da Vinci

Explore all 664 Leonardo da Vinci quotes

More Causes quotes

Browse all 9,070 Causes quotes