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Love Quote by Bertrand Russell

"Religions that teach brotherly love have been used as an excuse for persecution, and our profoundest scientific insight is made into a means of mass destruction"

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Russell lands the knife with a cool, almost clinical irony: the very institutions that claim to civilize us are perfectly capable of licensing barbarism. “Brotherly love” is not attacked as an ideal; it’s indicted as a rhetorical shield. The phrase carries Sunday-school warmth, then Russell snaps it into a legalistic register: “used as an excuse.” That verb matters. Persecution isn’t a tragic accident alongside religion, it’s something people actively authorize by laundering cruelty through sacred language. The subtext is grimly modern: moral vocabularies don’t automatically restrain power; they can be drafted into power’s service.

The second clause tightens the vise. “Our profoundest scientific insight” sounds like a hymn to human ingenuity, then becomes “a means of mass destruction.” Russell compresses the 20th century into one sentence: the prestige of science, the acceleration of technology, the betrayal of enlightenment optimism. Writing in the shadow of world wars and the nuclear age, he’s watching rationality lose its innocence. Knowledge expands, and so does the menu of ways to kill.

What makes the line work is its symmetry and its refusal to flatter the reader. Russell pairs religion and science not to “both-sides” them, but to show a common vulnerability: anything powerful enough to inspire collective devotion can be turned into an instrument of domination. The real target is human self-deception - the habit of calling our violence holy, or necessary, or progress. Russell’s warning is less “abandon faith” or “fear science” than: stop confusing noble slogans with noble outcomes, especially when institutions gain the power to punish at scale.

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TopicEthics & Morality
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Paradoxes of Religion and Science by Bertrand Russell
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Bertrand Russell

Bertrand Russell (May 18, 1872 - February 2, 1970) was a Philosopher from United Kingdom.

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