Richard Feynman Quotes

Many races as well as cultural influences of men of all kinds have mixed into any man. To select, for approbation the peculiar elements that come from some supposedly Jewish heredity is to open the door to all kinds of nonsense on racial theory.

At some time people thought that the potential that people had was not developed because everyone was ignorant, and that education was the solution to the problem, that if all people were educated, we could perhaps all be Voltaires. But it turns out that falsehood and evil can be taught as easily as good.

It doesn't matter how beautiful your theory is, it doesn't matter how smart you are. If it doesn't agree with experiment, it's wrong.

Everything is made of atoms.

You can know the name of that bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird. You'll only know about humans in different places, and what they call the bird. ... I learned very early the difference between knowing the name of something and knowing something.

ONE DAY at Princeton I was sitting in the lounge and overheard some mathematicians talking about the series for ex, which is 1 + x + x2/2! + x3/3!

People are always asking for the latest developments in the unification of this theory with that theory, and they don't give us a chance to tell them anything about what we know pretty well. They always want to know the things we don't know.

First figure out why you want the students to learn the subject and what you want them to know, and the method will result more or less by common sense.

This universe has been described by many, but it just goes on, with its edge as unknown as the bottom of the bottomless sea of the other idea — just as mysterious, just as awe-inspiring, and just as incomplete as the poetic pictures that came before.

A very great deal more truth can become known than can be proven.

There are those who are going to be disappointed when no life is found on other planets. Not I — I want to be reminded and delighted and surprised once again, through interplanetary exploration, with the infinite variety and novelty of phenomena that can be generated from such simple principles. The test of science is its ability to predict. Had you never visited the earth, could you predict the thunderstorms, the volcanoes, the ocean waves, the auroras, and the colorful sunset? A salutary lesson it will be when we learn of all that goes on on each of those dead planets — those eight or ten balls, each agglomerated from the same dust cloud and each obeying exactly the same laws of physics.

In this age of specialization men who thoroughly know one field are often incompetent to discuss another. The great problems of the relations between one and another aspect of human activity have for this reason been discussed less and less in public. When we look at the past great debates on these subjects we feel jealous of those times, for we should have liked the excitement of such argument. The old problems, such as the relation of science and religion, are still with us, and I believe present as difficult dilemmas as ever, but they are not often publicly discussed because of the limitations of specialization.

Tell your son to stop trying to fill your head with science — for to fill your heart with love is enough.

I learned from her that every woman is worried
about her looks, no matter how beautiful she is.

I happen to know this, and I happen to know that, and maybe I know that;and I work everything out from there. Tomorrow I may forgot that this is true, but remember that something else is true, so I can reconstruct it all again. I am never quite sure of where I am supposed to begin or where I am supposed to end. I just remember enough all the time so that as the memory fades and some of the pieces fall out I can put the thing back together again every day