I really cannot tell you anything about it, if you will not let me make measurements of any kind. Measurement is my only means of finding out about nature. I am not a metaphysicist.


Space, Time and Gravitation: An Outline of the General Relativity, Theory, Prologue (p. 2)


I really cannot tell you anything about it, if you will not let me make measurements of any kind. Measurement is my only means of finding out about...

I really cannot tell you anything about it, if you will not let me make measurements of any kind. Measurement is my only means of finding out about...

I really cannot tell you anything about it, if you will not let me make measurements of any kind. Measurement is my only means of finding out about...

I really cannot tell you anything about it, if you will not let me make measurements of any kind. Measurement is my only means of finding out about...