---
title: "2 Books Theories Quotes by 2 authors"
description: "Browse 2 Books Theories quotes by 2 authors. Discover the best Books Theories sayings and thoughts."
image: "https://sms4smile.com/quotes/i/a48/joseph-a-schumpeter-9723_book_i-know-that-it-is-not-enough-to-be-remem_287206.jpg"
---

> [I know that it is not enough to be remembered for books and theories. One does not make a difference unless it is a difference in people's lives.](https://sms4smile.com/quotes/joseph-a-schumpeter/i-know-that-it-is-not-enough-to-be-remembered-for-books-and-theories/)

[Joseph A. Schumpeter](https://sms4smile.com/quotes/author/joseph-a-schumpeter/)

[Image](https://sms4smile.com/quotes/i/a48/joseph-a-schumpeter-9723_book_i-know-that-it-is-not-enough-to-be-remem_287206.jpg)

> [“Our lives say much more about how we think than our books do. The theories we preach are not always the ones we actually believe. The theories we live are the ones we really believe.”](https://sms4smile.com/quotes/r-c-sproul-2/our-lives-say-much-more-about-how-we-think-than-our-books-do-the/)

[R.C. Sproul](https://sms4smile.com/quotes/author/r-c-sproul-2/)

[Image](https://sms4smile.com/quotes/i/151/r-c-sproul-2-1477_belief_our-lives-say-much-more-about-how-we-thi_1835403.jpg)

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