“ In science the theories are always being reassessed and confronted with new facts ”
Carl Sagan, The Demon-Haunted World (1995). copy citation
| Author | Carl Sagan |
|---|---|
| Source | The Demon-Haunted World |
| Topic | science theory |
| Date | 1995 |
| Language | English |
| Reference | |
| Note | |
| Weblink |


