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The Digestive Canal Represents A Tube Passing Through The Entire Organism And Communicating With The External World, I.e. As It Were The External Surface Of The Body, But Turned Inwards And Thus Hidden In The Organism.

Men Are Apt To Be Much More Influenced By Words Than By The Actual Facts Of The Surrounding Reality

From The Described Experiment It Is Clear That The Mere Act Of Eating, The Food Even Not Reaching The Stomach, Determines The Stimulation Of The Gastric Glands.

School Yourself To Demureness And Patience. Learn To Inure Yourself To Drudgery In Science. Learn, Compare, Collect The Facts.

The Sun-paul Must Consider Only One Thing: What Is The Relation Of This Or That External Reaction Of The Animal To The Phenomena Of The External World?