When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.

- Albert Einstein

I always found it satisfying that gravity was described by Einstein's geometric theory of general relativity.

- Antony Garrett Lisi

The real reason why general relativity is widely accepted is because it made predictions that were borne out by experimental observations.

- Brian Greene

General relativity is the cornerstone of cosmology and astrophysics. It has also provided the conceptual basis for string theory and other attempts to unify all the forces of nature in terms of geometrical structures.

- Paul Davies

In 1905 Albert discovered Relativity, in 1906 he invented Rock and Roll.

- Yahoo Serious