{
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  "url": "https://www.leafyquotes.com/richard-e-leakey/the-origin-of-humankind/three-revolutions-mark",
  "json": "https://www.leafyquotes.com/richard-e-leakey/the-origin-of-humankind/three-revolutions-mark.json",
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  "id": "f8fc9dd7-fa75-4249-862d-09f4bded9197",
  "slug": "three-revolutions-mark",
  "text": "Three revolutions mark the history of life on earth. The first was the origin of life itself... The second... was the origin of multicellular organisms... The origin of human consciousness... was the third... Life became aware of itself, and began to transform the world of nature to its own ends.",
  "language": "en",
  "author": {
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  "book": {
    "title": "The Origin Of Humankind",
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  "character": null,
  "chapter": null,
  "chapter_parent": null,
  "page": null,
  "verified": false,
  "original": null,
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  "topics": [
    {
      "name": "evolution",
      "slug": "evolution",
      "url": "https://www.leafyquotes.com/topics/evolution"
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    {
      "name": "consciousness",
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    "url": "https://en.wikiquote.org/wiki/Richard_Leakey#The_Origin_of_Humankind_(1994)",
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      "label": "CC BY-SA 4.0",
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  "added_at": "2026-09-25T23:00:06",
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