# Quote — Ann Druyan, Cosmos: Possible Worlds

> The basic rules of the road for science: Test ideas by experiment and observation. Build on those ideas that pass the test. Reject the ones that fail. Follow the evidence wherever it leads. And question everything. including authority.

- Author: [Ann Druyan](https://www.leafyquotes.com/ann-druyan.md)
- Book: [Cosmos: Possible Worlds](https://www.leafyquotes.com/ann-druyan/cosmos-possible-worlds.md)
- Source: [Wikiquote](https://en.wikiquote.org/wiki/Ann_Druyan#Cosmos:_Possible_Worlds_(2020)) ([CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/))
- Quote page: https://www.leafyquotes.com/ann-druyan/cosmos-possible-worlds/the-basic-rules

## More from this book

> The vastness of the universe-and love, the thing that makes the vastness bearable-is out of reach to the arrogant.

[Quote page](https://www.leafyquotes.com/ann-druyan/cosmos-possible-worlds/the-vastness-of-the.md)

> Carl made me want to be the best human being I could be.

[Quote page](https://www.leafyquotes.com/ann-druyan/cosmos-possible-worlds/carl-made-me-want.md)

> When we fell in love, it was like discovering a new world. It was one that I had hoped was possible but had never been to before.

[Quote page](https://www.leafyquotes.com/ann-druyan/cosmos-possible-worlds/when-we-fell.md)