--- title: "Meaning & Key Takeaway of: The only thing harder than getting a new…" description: "\"The only thing harder than getting a new idea into the military mind is to get an old one out.\" — B. H. Liddell Hart" image: "https://sms4smile.com/quotes/i/519/b-h-liddell-hart-9275_conservatism_the-only-thing-harder-than-getting-a-new_3092361.png" --- # The only thing harder than getting a new idea into the… ![“The only thing harder than getting a new idea into the military mind is to get an old one out.” quote by B. H. Liddell Hart](https://sms4smile.com/quotes/i/519/b-h-liddell-hart-9275_conservatism_the-only-thing-harder-than-getting-a-new_3092361.png) [Download](https://sms4smile.com/quotes/i/519/b-h-liddell-hart-9275_conservatism_the-only-thing-harder-than-getting-a-new_3092361.png) [Open image](https://sms4smile.com/quotes/i/519/b-h-liddell-hart-9275_conservatism_the-only-thing-harder-than-getting-a-new_3092361.png) > “The only thing harder than getting a new idea into the military mind is to get an old one out.” [B. H. Liddell Hart](https://sms4smile.com/quotes/author/b-h-liddell-hart/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Introducing new ideas to the military is difficult, but discarding outdated ones is even harder. **In simple terms:** Changing military thinking is tough, especially removing old ideas. Key Takeaway Challenge entrenched doctrines. Themes military innovation organizational inertia strategy change management Mood critical serious Type philosophical strategic When to use this quote - defense policy reform - strategic planning - leadership training Key Concepts systems theory cognitive bias institutional resistance Questions to Reflect On - What old doctrines hinder modern security? - How can leaders foster openness to new concepts? 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