Ideas Quotes by Richard P. Feynman

To develop working ideas efficiently, I try to fail as fast as I can.

— Richard P. Feynman

Experiment is the sole judge of the validity of any idea.

— Richard P. Feynman

But logic is not all, one needs one's heart to follow an idea.

— Richard P. Feynman

To test whether you have learned an idea or a definition, rephrase what you just learned without using the new word.

— Richard P. Feynman

In talking about the impact of ideas in one field on ideas in another field, one is always apt to make a…

— Richard P. Feynman

Science is a process for learning about nature in which competing ideas about how the world works are measured against observations.

— Richard P. Feynman

The ideas associated with the problems of the development of science, as far as I can see by looking around me, are…

— Richard P. Feynman

The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment.

— Richard P. Feynman

Trying to understand the way nature works involves a most terrible test of human reasoning ability. It involves subtle trickery, beautiful tightropes…

— Richard P. Feynman

It is always good to know which ideas cannot be checked directly, but it is not necessary to remove them all. It…

— Richard P. Feynman

This is the key of modern science and is the beginning of the true understanding of nature. This idea. That to look…

— Richard P. Feynman

You know how it always is, every new idea, it takes a generation or two until it becomes obvious that there's no…

— Richard P. Feynman

I don't believe I can really do without teaching. The reason is, I have to have something so that when I don't…

— Richard P. Feynman

John von Neumann gave me an interesting idea: that you don't have to be responsible for the world that you're in. So…

— Richard P. Feynman

The idea that no one really knew how to run a government led to the idea that we should arrange a system…

— Richard P. Feynman

We have a habit in writing articles published in scientific journals to make the work as finished as possible, to cover up…

— Richard P. Feynman

I think, however, that there isn't any solution to this problem of education other than to realize that the best teaching can…

— Richard P. Feynman

“Of course, I am interested, but I would not dare to talk about them. In talking about the impact of ideas in…

— Richard P. Feynman

During the Middle Ages there were all kinds of crazy ideas, such as that a piece of rhinoceros horn would increase potency.…

— Richard P. Feynman

What is the fundamental hypothesis of science, the fundamental philosophy? We stated it in the first chapter: the sole test of the…

— Richard P. Feynman