The present situation in physics is as if we know chess, but we don't know one or two rules.
Interpretation
Feynman suggests that our understanding of physics is incomplete and lacks critical foundational knowledge.
In this quote, Richard P. Feynman compares the state of physics to a game of chess where players are unaware of some crucial rules, implying that while we have made significant progress in understanding the universe, there are still fundamental principles and laws that remain elusive or unknown. This analogy highlights the complexity of scientific inquiry and encourages continued exploration and learning in the field of physics.
In practice
In a lecture on the current challenges in physics, one could use this quote to emphasize the need for deeper research.
The philosophical question before us is, when we make an observation of our track in the past, does the result of our observation become real in the same sense that the final state would be defined if an outside observer were to make the observation?
We seem gradually to be groping toward an understanding of the world of subatomic particles, but we really do not know how far we have yet to go in this task.
The first principle is that you must not fool yourself and you are the easiest person to fool.
It has not yet become obvious to me that there's no real problem. I cannot define the real problem; therefore, I suspect there's no real problem, but I'm not sure there's no real problem.
For far more marvelous is the truth than any artists of the past imagined it. Why do the poets of the present not speak of it? What men are poets who can speak of Jupiter if he were a man, but if he is an immense spinning sphere of methane and ammonia must be silent?
Science is a way to teach how something gets to be known, what is not known, to what extent things are known (for nothing is known absolutely), how to handle doubt and uncertainty, what the rules of evidence are, how to think about things so that judgments can be made, how to distinguish truth from fraud, and from show.
From the beginning of the Radiation Laboratory, I have had the rare good fortune of being in the center of a group of men of high ability, enthusiastic and completely devoted to scientific pursuits.
There is much that science doesn't understand, many mysteries still to be resolved. In a Universe tens of billions of light-years across and some ten or fifteen billion years old, this may be the case forever. We are constantly stumbling on new surprises
People think if you have deciphered the genome of humans that you can change everything. But you cannot change everything, because you do not know what the genes mean, and you have no methods for changing them, and you can't do experiments with humans like you can with animals.
Imagination alone is not enough, because the reality of nature is far more wondrous than anything we can imagine
I have made hundreds of dives in submersibles, with each dive holding the promise of seeing an organism or a behavior that no one has ever seen before. But I have always wondered about the animals and behaviors that we're not seeing because our bright lights and loud thrusters scare them away.
It is hard to look at the tumor and not come away with the feeling that one has encountered a powerful monster in its infancy
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