Skip to content

The first principle is that you must not fool yourself—and…

“The first principle is that you must not fool yourself—and you are the easiest person to fool. So you have to be very careful about that. After you’ve not fooled yourself, it’s easy not to fool other scientists. You just have to be honest in a conventional way after that.” quote by Richard P. Feynman
Download Open image
“The first principle is that you must not fool yourself—and you are the easiest person to fool. So you have to be very careful about that. After you’ve not fooled yourself, it’s easy not to fool other scientists. You just have to be honest in a conventional way after that.”

Richard P. Feynman

About This Quote

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

Self-deception is easy; rigorous self-honesty is essential for scientific integrity and honest communication.

In simple terms: You must not fool yourself; then you can avoid fooling others.

Key Takeaway

Practice relentless self‑scrutiny.

Themes

integrity science self‑awareness

Mood

inquisitive analytical

Type

scientific educational

When to use this quote

  • research
  • peer review
  • personal growth

Key Concepts

philosophy of science critical thinking epistemology

Questions to Reflect On

  • How do you verify your own biases?
  • What habits help maintain intellectual humility?
A Different Perspective

Self‑honesty alone may not guarantee others' honesty.

★ ★ ★ ★ ★ No ratings yet

More by Richard P. Feynman

Explore all 515 Richard P. Feynman quotes

More Being honest quotes

Browse all 1,333 Being honest quotes