The answer is 'yes' or 'no', depending on the interpretation.

On the Generalized Theory of Gravitation

Scientific American, Volume 182, Number 4, April, 1950 (p. 13)

Albert Einstein Quotes

The answer is 'yes' or 'no', depending on the interpretation.

The answer is 'yes' or 'no', depending on the interpretation.

The answer is 'yes' or 'no', depending on the interpretation.

The answer is 'yes' or 'no', depending on the interpretation.