Shadowing Practice: Science Is Ignorance | Yuval Noah Harari - Learn English Speaking with Video

Creating lesson...
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Science, actually, is based on ignorance.
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Science is the invention that created modern science.
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It was not a discovery of any piece of knowledge in geography or astronomy,
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Copernicus or Darwin, no. The big scientific revolution which launched modern science was the discovery of ignorance.
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For thousands of years, people thought they know everything.
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That some holy book or some holy person or whatever, they know everything.
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We don't need to learn anything new.
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We know everything.
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And science began with when humans, some humans, admitted, we don't know everything.
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There is no book in the world which has all the answers.
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There is no person in the world that knows everything.
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And now that we have the courage and honesty to admit our ignorance, Now we can start investigating and that's science.

Why Practice Speaking with This Video?

Practicing English speaking with this video is a powerful way to build confidence and clarity, especially when using the shadowing technique. The speaker’s clear, deliberate delivery makes it ideal for shadow speak—repeating phrases in real time to mimic rhythm and intonation. Discussing complex ideas like the nature of science also pushes you to articulate abstract thoughts, a key skill for advanced fluency. Whether you’re new to english speaking practice or refining your skills, this video offers a rich context to apply what you learn, making it a top choice for learn english with videos.

Grammar & Expressions in Context

The video uses several impactful structures to convey its message. Here are three to focus on:

  • "Science is based on ignorance": The passive voice "is based on" emphasizes foundational principles, a common structure for explaining concepts. Practice replacing "ignorance" with other nouns (e.g., "curiosity," "evidence") to master this pattern.
  • "It was not a discovery of any piece of knowledge...": The negation "not a discovery of any" contrasts with expectations, a useful tool for argumentation. Try rephrasing with "It wasn’t a result of..." to expand your range.
  • "Now that we have the courage... we can start investigating": "Now that" connects a present condition to a future action, perfect for linking ideas in conversations. Use it to describe personal goals (e.g., "Now that I understand the rules, I can write better essays").

Common Pronunciation Traps

Pay attention to these tricky words to avoid mispronunciation:

  • "Ignorance": The stress falls on the second syllable ("ig-NO-rance"), not the first. Many learners overemphasize "ig," so listen closely to the speaker’s light first syllable.
  • "Copernicus" and "Darwin": These names have specific rhythms—"Co-PER-ni-cus" and "DAR-win." Practice saying them slowly, then speed up to match the video’s pace.
  • "Investigating": The "g" is soft ("in-VES-ti-gay-ting"), not hard. Avoid pronouncing it like "golf"; instead, let it flow smoothly into the next syllable.

By focusing on these areas, you’ll not only improve your pronunciation but also strengthen your ability to follow and replicate natural speech patterns—essential for effective shadowspeak practice.

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

StructureIn the video
Passive voice be + past participle — the focus is on what happens, not who does itis based
Relative clauses who / which + clause — extra information about a person or thingworld which has

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

Shadowing technique: read the full step-by-step guide →