We have not to discover the properties of a thing which we have recognized in nature, but to discover how to recognize in nature a thing whose properties we have assigned.


The Mathematical Theory of Relativity - Introduction (p. 6), At The University Press. 1930


We have not to discover the properties of a thing which we have recognized in nature, but to discover how to recognize in nature a thing whose...

We have not to discover the properties of a thing which we have recognized in nature, but to discover how to recognize in nature a thing whose...

We have not to discover the properties of a thing which we have recognized in nature, but to discover how to recognize in nature a thing whose...

We have not to discover the properties of a thing which we have recognized in nature, but to discover how to recognize in nature a thing whose...