In almost every act of our perceiving faculties, observation and inference are intimately blended. What we are said to observe is usually a compound result, of which one-tenth may be observation and the remaining nine-tenths inference.


A System of Logic, Ratiocinative and Inductive, Book IV, Chapter I (p. 384), Harper & Brothers Publishers. 1867


In almost every act of our perceiving faculties, observation and inference are intimately blended. What we are said to observe is usually a compound...

In almost every act of our perceiving faculties, observation and inference are intimately blended. What we are said to observe is usually a compound...

In almost every act of our perceiving faculties, observation and inference are intimately blended. What we are said to observe is usually a compound...

In almost every act of our perceiving faculties, observation and inference are intimately blended. What we are said to observe is usually a compound...