# Quote — Douglas Adams, Mostly Harmless

> "Protect me from knowing what I don't need to know. Protect me from even knowing that there are things to know that I don't know. Protect me from knowing that I decided not to know about the things that I decided not to know about. Amen."

- Author: [Douglas Adams](https://www.leafyquotes.com/douglas-adams.md)
- Book: [Mostly Harmless](https://www.leafyquotes.com/douglas-adams/mostly-harmless.md)
- Source: [Wikiquote](https://en.wikiquote.org/wiki/The_Hitchhiker's_Guide_to_the_Galaxy#Chapter_9) ([CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/))
- Quote page: https://www.leafyquotes.com/douglas-adams/mostly-harmless/protect-me-from

## More from this book

> The last time anybody made a list of the top hundred character attributes of New Yorkers, common sense snuck in at number 79.

[Quote page](https://www.leafyquotes.com/douglas-adams/mostly-harmless/the-last-time.md)

> The thing they wouldn't be expecting him to do was to be there in the first place. Only an absolute idiot would be sitting where he was, so he was winning already. A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

[Quote page](https://www.leafyquotes.com/douglas-adams/mostly-harmless/the-thing-they.md)

> One of the problems has to do with the speed of light and the difficulties involved in trying to exceed it. You can't. Nothing travels faster than the speed of light with the possible exception of bad news, which obeys its own special laws.

[Quote page](https://www.leafyquotes.com/douglas-adams/mostly-harmless/one-of-the.md)