# Quote — Bill Bryson, The Body

> Your brain is marvellously efficient. It requires only about 400 calories of energy a day — about the same as you get in a blueberry muffin. Try running your laptop for 24 hours on a muffin and see how far you get.

- Author: [Bill Bryson](https://www.leafyquotes.com/bill-bryson.md)
- Book: [The Body](https://www.leafyquotes.com/bill-bryson/the-body.md)
- Source: [Wikiquote](https://en.wikiquote.org/wiki/Bill_Bryson#The_Body_(2006)) ([CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/))
- Quote page: https://www.leafyquotes.com/bill-bryson/the-body/your-brain-is-marvellously