---
title: "1 Idea Wrong Quotes By Hal Hellman"
description: "1 Idea Wrong quotes by Hal Hellman. Plus more from Hal Hellman and more Idea Wrong sayings from other authors."
image: "https://sms4smile.com/quotes/i/ab6/hal-hellman-84091_dies_a-fervently-believed-idea-even-if-wrong_990369.jpg"
---

> [A fervently believed idea, even if wrong, dies hard.](https://sms4smile.com/quotes/hal-hellman/a-fervently-believed-idea-even-if-wrong-dies-hard/)

Hal Hellman

[Image](https://sms4smile.com/quotes/i/ab6/hal-hellman-84091_dies_a-fervently-believed-idea-even-if-wrong_990369.jpg)

## More by Hal Hellman

> [A fervently believed idea, even if wrong, dies hard.](https://sms4smile.com/quotes/hal-hellman/a-fervently-believed-idea-even-if-wrong-dies-hard/)

Hal Hellman

> [Disputes among natural philosophers are of use to science, as the quarrels of the great, and the clamors of the little, are necessary to…](https://sms4smile.com/quotes/hal-hellman/disputes-among-natural-philosophers-are-of-use-to-science-as-the/)

Hal Hellman

> [One sees what one wants to see when there is in mind a pre-conceived notion.](https://sms4smile.com/quotes/hal-hellman/one-sees-what-one-wants-to-see-when-there-is-in-mind-a-pre-conceived/)

Hal Hellman

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