"In a world in which the total of human knowledge is doubling about every ten years, our security can rest only on our ability to learn"
About this Quote
The phrasing does quiet work. “Total of human knowledge” is deliberately grand, almost intimidating, a sweeping abstraction that makes any individual’s expertise feel instantly perishable. Then he narrows the response to “our ability to learn,” a modest, controllable human capacity. It’s a reframe from scarcity (I’ll never catch up) to agency (I can keep moving). As a psychologist associated with self-esteem and personal efficacy, Branden is smuggling in a therapeutic prescription: security comes from competence-in-motion, not certainty.
The subtext is also cultural: this is a late-20th-century, post-industrial credo, the kind of sentence that anticipates the churn of tech, credentials, and “lifelong learning” rhetoric before it became corporate wallpaper. There’s an implicit warning, too. If you outsource learning - to institutions, to experts, to the comforting belief that you’re “done” - you become fragile. Branden’s provocation is that ignorance isn’t just a gap; it’s a liability. In a rapidly multiplying world, the only durable asset is mental flexibility.
Quote Details
| Topic | Learning |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Branden, Nathaniel. (2026, January 16). In a world in which the total of human knowledge is doubling about every ten years, our security can rest only on our ability to learn. FixQuotes. https://fixquotes.com/quotes/in-a-world-in-which-the-total-of-human-knowledge-116810/
Chicago Style
Branden, Nathaniel. "In a world in which the total of human knowledge is doubling about every ten years, our security can rest only on our ability to learn." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/in-a-world-in-which-the-total-of-human-knowledge-116810/.
MLA Style (9th ed.)
"In a world in which the total of human knowledge is doubling about every ten years, our security can rest only on our ability to learn." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/in-a-world-in-which-the-total-of-human-knowledge-116810/. Accessed 21 Feb. 2026.










