If humanity has made some headway in realizing that the ultimate value of every institution is its distinctively human effect - its effect upon conscious experience - we may well believe that this lesson has been learned largely through dealings with the young.
John DeweyWithout initiation into the scientific spirit one is not in possession of the best tools which humanity has so far devised for effectively directed reflection. One in that case not merely conducts inquiry and learning without the use of the best instruments, but fails to understand the full meaning of knowledge.
John DeweyScientific principles and laws do not lie on the surface of nature. They are hidden, and must be wrested from nature by an active and elaborate technique of inquiry.
John Dewey