The universe is a variable quantity, which depends upon the keenness and structure of our organs of sense, and upon the fineness of our powers and instruments of observation.
The Grammar of Science (2nd edition), Chapter I (p. 15)
The universe is a variable quantity, which depends upon the keenness and structure of our organs of sense, and upon the fineness of our powers and instruments of observation.
The Grammar of Science (2nd edition), Chapter I (p. 15)