"If time travel is possible, then there is no such thing as time." — Kurt Gödel, Einstein's great friend at Princeton's Institute For Advanced Study.

Einstein once remarked that he went to his office "just to have the privilege of walking home with Kurt Gödel."

https://imgur.com/a/avUwwHk

https://archive.ph/6doQh#selection-707.279-711.1

https://www.amazon.com/When-Einstein-Walked-G%C3%B6del-Excur...