# Reason Can Become the Most Dangerous Passion by J. B. S. Haldane > "The conservative has but little to fear from the man whose reason is the servant of his passions, but let him beware of him in whom reason has become the greatest and most terrible of the passions. These are the wreckers of outworn empires and civilisations, doubters, disintegrators, deicides." > **— J. B. S. Haldane**, *1923 lecture; 1924, Daedalus, or Science and the Future* ## Sources and Context - **Full source:** [J. B. S. Haldane, Daedalus, or Science and the Future, complete transcription](https://bactra.org/Daedalus.html). Haldane describes scientific intensity as a force capable of remaking inherited institutions. The 1923 lecture appeared in book form in 1924; the historical forecast is not a present-day technical accomplishment. ## Related Articles and Collections - **Collection:** [[collections/Consciousness Continuity|Consciousness Continuity]] - **Collection:** [[collections/Simple Reminders|Simple Reminders]] - **Article:** [[articles/The Evolutionary Roots of Silicon Valley|The Evolutionary Roots of Silicon Valley]] - **Article:** [[articles/We Were Never Going to Make It|We Were Never Going to Make It]] - **Article:** [[articles/Technologies for Consciousness Mapping and Transfer|Technologies for Consciousness Mapping and Transfer]] - **Wiki map:** [[wiki/Human Deliberation|Human Deliberation]] ## Related Topics - [[wiki/Daedalus, or Science and the Future|Daedalus, or Science and the Future]] - [[wiki/Human Deliberation|Human Deliberation]] ## Share on Social Media ``` "The conservative has but little to fear from the man whose reason is the servant of his passions, but let him beware of him in whom reason has become the greatest and most terrible of the passions. These are the wreckers of outworn empires and civilisations, doubters, disintegrators, deicides." — J. B. S. Haldane, 1923 lecture; 1924, Daedalus, or Science and the Future https://bryantmcgill.com/simple-reminders-haldane-reason-dangerous-passion ```