Perfect As The Wing Of A Bird

It Has Long Been Known For Sure That The Sight Of Tasty Food Makes A Hungry Man's Mouth Water; Also Lack Of Appetite Has Always Been Regarded As An Undesirable Phenomenon, From Which One Might Conclude That Appetite Is Essentially Linked With The Process Of Digestion.

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.

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?

Perfect As The Wing Of A Bird May Be, It Will Never Enable The Bird To Fly.

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