A Quote by Richard P. Feynman
It is to be emphasized that no matter how many [amplitude] arrows we draw, add, or multiply, our objective is to calculate a single final arrow for the event . Mistakes are often made by physics students at first because they do not keep this important point in mind. They work for so long analyzing events involving a single photon that they begin to think that the arrow is somehow associated with the photon [rather than with the event].
Related Quotes
If we have an atom that is in an excited state and so is going to emit a photon, we cannot say when it will emit the photon. It has a certain amplitude to emit the photon at any time, and we can predict only a probability for emission; we cannot predict the future exactly.
When a photon comes down, it interacts with electrons throughout the glass, not just on the surface. The photon and electrons do some kind of dance, the net result of which is the same as if the photon hit only on the surface.
I am by nature not a list-keeper, but I do keep lists of names and add at least one or two every single day without exception. First names, last names, middle names, combinations of. I've collected more over the years than I can possibly ever use in a single lifetime, but I keep the list going nonetheless. I tell my students that it's a habit, an act of attention, that will keep them engaged, keep them thinking about characters and stories, and how that match might get made.
The most important influence on a child is the character of its parents, rather than this or that single event.
I think if I have one message, one thing before I die that most of the world would know, it would be that the event does not determine how to respond to the event. That is a purely personal matter. The way in which we respond will direct and influence the event more than the event itself.
I longed to return to that bloody riverbank, to throw myself in the path of the final arrow, to die ignorant, and so, in love. Better to be killed by an arrow than by the words of the one I most trusted.
The occurrence of any event where the chances are beyond one in ten followed by 50 zeros is an event which we can state with certainty will never happen, no matter how much time is allotted and no matter how many conceivable opportunities could exist for the event to take place.
All the things and events we usually consider as irreconcilable, such as cause and effect, past and future, subject and object, are actually just like the crest and trough of a single wave, a single vibration. For a wave, although itself a single event, only expresses itself through the opposites of crest and trough, high point and low point. For that very reason, the reality is not found in the crest nor the trough alone, but in their unity.
The bow of God's wrath is bent, and His arrows made ready upon the string. Justice points the arrow at your heart and strings the bow. It is nothing but the mere pleasure of God (and that of an angry God without any promise or obligation at all) that keeps the arrow one moment from being made drunk with your blood.
Happiness does not come quickly. It is not conferred by any single event, however exciting or comforting or satisfying the event may be. It cannot be purchased, whatever the allure of the next, the newest, the brightest, the best. Happiness, like Carl Sandburg's fog, "comes on little cat feet," often silently, often without our knowing it, too often without our noticing.
I wonder how many marriages are fractured and damaged beyond repair by complacency rather than any single traumatic event. One day you wake up and realize that the distance between you and your spouse has grown to such an enormous width that neither of you are capable of clearing the distance. No matter how much speed you build up, or how far you can jump, it's just there. Gaping and unforgiving.
I've won every single event there is to win as a wrestler, and I still continue to come back every single year. The hard part for me is, 'OK, how long can you do this?'
Why make a biopic if it's not somehow helping us now? There's really no point. If it's not informing how we can do things differently now and maybe not repeat our mistakes, than why do this piece about this person or this event?
No matter how sheltered [my students] are, no matter how their parents try to do right by them, every single one of them, you know, every single one of us, that's what we all face.?And so it's made me - that's the one change I've marked in myself - it's made me change in the way I relate to my students. I've become a different teacher in that way.
I don't think a lot of people consider golf a sport. It's kind of a leisure event. I would like to play. And I'd like to learn how to shoot a bow and arrow.
If a little kid ever asks you just why the sky is blue, you look him or her right in the eye and say, 'It's because of quantum effects involving Rayleigh scattering combined with a lack of violet photon receptors in our retinae.'
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