# Quote — Stephen W. Hawking, Brief Answers to the Big Questions

> [Planck] said instead [of possibility that amount of radiation could have just any value] that radiation came only in packets or quanta of a certain size. It is a bit like saying that you can't buy sugar loose in the supermarket, it has to be in kilogram bags.

- Author: [Stephen W. Hawking](https://www.leafyquotes.com/stephen-w-hawking.md)
- Book: [Brief Answers to the Big Questions](https://www.leafyquotes.com/stephen-w-hawking/brief-answers-to-the-big-questions.md)
- Page: 92
- Source: [Wikiquote](https://en.wikiquote.org/wiki/Stephen_Hawking#Brief_Answers_to_the_Big_Questions_(2018)) ([CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/))
- Quote page: https://www.leafyquotes.com/stephen-w-hawking/brief-answers-to-the-big-questions/planck-said-instead

## More from this book

> It is not even clear that intelligence has any long-term survival value.

p. 84 — [Quote page](https://www.leafyquotes.com/stephen-w-hawking/brief-answers-to-the-big-questions/it-is-not.md)

> If you like, you can call the laws of science 'God', but it wouldn't be a personal God that you would meet and put questions to. Although, if there were such a God, I would like to ask however did he think of anything as complicated as M-theory in eleven dimensions.

p. 36 — [Quote page](https://www.leafyquotes.com/stephen-w-hawking/brief-answers-to-the-big-questions/if-you-like.md)

> If a superior alien civilisation sent us a text message saying, 'We'll arrive in a few decades', would we just reply, 'OK, call us when you get here, we'll leave the lights on'? Probably not, but this is more or less what has happened with AI.

p. 188 — [Quote page](https://www.leafyquotes.com/stephen-w-hawking/brief-answers-to-the-big-questions/if-a-superior.md)