Thinking is the most fascinating and exhilarating of all mental exercises. Once
realize that your opinion on a subject does not represent the choice you have
made between what Dr. Cerebrum has written and Professor Cerebellum has said,
but is the result of your own earnestly-applied brain-energy, and you will gain
a confidence in your ability to speak on that subject that nothing will be able
to shake. Your thought will have given you both power and reserve power.
Someone has condensed the relation of thought to knowledge in these pungent,
homely lines:
"Don't give me the man who thinks he thinks, Don't give me the man who thinks he
knows, But give me the man who knows he thinks, And I have the man who knows he
knows!"
_Reading As a Stimulus to Thought_
No matter how dry the cow, however, nor how poor our ability to milk, there is
still the milkman--we can read what others have seen and felt and thought.
Often, indeed, such records will kindle within us that pre-essential and vital
spark, the _desire_ to be a thinker.
The following selection is taken from one of Dr. Newell Dwight Hillis's
lectures, as given in "A Man's Value to Society." Dr. Hillis is a most fluent
speaker--he never refers to notes. He has reserve power. His mind is a veritable
treasure-house of facts and ideas. See how he draws from a knowledge of fifteen