---
title: "Meaning & Key Takeaway of: If you want to assert a truth, first make…"
description: "\"If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true.\" — Neil deGrasse Tyson"
image: "https://sms4smile.com/quotes/i/bd6/neil-degrasse-tyson-143_assert_if-you-want-to-assert-a-truth-first-make_612881.png"
---

#  If you want to assert a truth, first make sure it's not…

![“If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true.” quote by Neil deGrasse Tyson](https://sms4smile.com/quotes/i/bd6/neil-degrasse-tyson-143_assert_if-you-want-to-assert-a-truth-first-make_612881.png)   [Download](https://sms4smile.com/quotes/i/bd6/neil-degrasse-tyson-143_assert_if-you-want-to-assert-a-truth-first-make_612881.png) [Open image](https://sms4smile.com/quotes/i/bd6/neil-degrasse-tyson-143_assert_if-you-want-to-assert-a-truth-first-make_612881.png)

> “If you want to assert a truth, first make sure it's not just an opinion that you desperately want to be true.”

[Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Before presenting a claim as truth, verify it with evidence rather than personal desire.

**In simple terms:** Check facts, not wishes.

Key Takeaway

Seek evidence first.

Themes

science truth bias

Mood

analytical skeptical

Type

scientific educational

When to use this quote

- research
- policy making
- media reporting
- education

Key Concepts

Epistemology cognitive bias

Questions to Reflect On

- What evidence supports your belief?
- How do emotions shape perceived truth?

A Different Perspective

Confirmation bias may still influence interpretation.

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