Episode 1004: America 250 – The Greatest Sentence Ever Written with Walter Isaacson
Newt's World
Gingrich 360
4.6 • 6.4K Ratings
🗓️ 2 July 2026
⏱️ 32 minutes
🔗️ Recording | Apple Podcasts | RSS
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Summary
Newt welcomes bestselling biographer Walter Isaacson to discuss his new book, The Greatest Sentence Ever Written, a deep dive into the Declaration of Independence's most celebrated passage: "We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness." Isaacson traces how Jefferson, Franklin, and Adams collaboratively crafted and edited this sentence — including Franklin's pivotal change from "sacred" to "self-evident" — and argues it serves as America's enduring mission statement. Their conversation explores how Lincoln later invoked the sentence at Gettysburg to advance the cause of abolition, how the suffragette movement used it to expand women's rights, and why the 250th anniversary is a vital opportunity to use this founding ideal to heal today's deep political divisions. Isaacson also previews his upcoming biography of Marie Curie.
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| 0:00.0 | This is an I-Heart podcast. |
| 0:02.5 | Guaranteed Human. |
| 0:07.9 | Welcome to Neutte World Podcast on the IHeart Podcast Network, the greatest American |
| 0:13.9 | inventions. |
| 0:15.2 | Today, we step away from communications and computing and talk about something more |
| 0:19.7 | personal, a machine that, if you've ever had a serious medical concern, may be the communications and computing, and talk about something more personal. |
| 0:25.4 | A machine that, if you've ever had a serious medical concern, may be the reason you're still here. |
| 0:26.6 | The MRI scanner. |
| 0:29.0 | For most of human history, looking inside a living body without cutting it open, was impossible. |
| 0:34.7 | X-rays, discovered in 1895, were transformative. They made bones visible without surgery. |
| 0:41.8 | But x-rays passed through soft tissue with poor contrast. They can't show a brain tumor clearly. |
| 0:48.2 | They can't distinguish one type of soft tissue from another, and they involve ionizing radiation, |
| 0:55.3 | which carries its own risks. The MRI scanner changed everything. Magnetic resonance imaging produces extraordinarily |
| 1:03.8 | detailed images of soft tissue, the brain's internal structures, the cartilage of a knee, |
| 1:09.6 | the chambers of the heart, without any |
| 1:11.7 | radiation at all. It uses magnetic fields and radio waves. It is completely safe. And what it |
| 1:18.7 | reveals still astonishes me. A living human brain, cross-section, every structure visible |
| 1:25.9 | in detail. |
| 1:35.3 | The science underlying MRI is nuclear magnetic resonance NMR, discovered in the 1940s by Felix Block at Stanford and Edward Purcell at Harvard, who shared the Nobel Prize in physics |
| 1:41.3 | in 1952. |
| 1:43.7 | The principle, the hydrogen nuclei in our bodies, behave like tiny spinning magnets. |
| 1:49.6 | In a strong external magnetic field, they align with it, hit them with a precisely tuned |
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