80 INTRODUCTION TO SCIENCE 



another. An important step in procedure is the 

 carrying out of test experiments. The final result 

 is a general formula or a law of Nature, or, more 

 frequently, the inclusion of a new set of facts within 

 an old law. At every step imagination counts and 

 its highest flights are called genius. The funda- 

 mental postulate of science is the Uniformity of 

 Nature. 



