It is clear, for instance, that we classify business management, pugilism and medicine together as science because, though as occupations they are only incidentally related, they are all characterized by the practical, methodical, and so far as is humanly possible, the rational utilization of knowledge for the attainment of definite goals.
The Scientific Habit of Thought: An Informal Discussion of the Source, and Character of Dependable Knowledge, Chapter I (p. 5), Columbia University Press. 1927