Don't Become A Mere Recorder Of Facts,

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.

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

Finally, As The Digestive Canal Is A Complex System, A Series Of Separate Chemical Laboratories, I Cut The Connections Between Them In Order To Investigate The Course Of Phenomena In Each Particular Laboratory; Thus I Resolved The Digestive Canal Into Several Separate Parts.

Edible Substances Evoke The Secretion Of Thick, Concentrated Saliva. Why? The Answer, Obviously, Is That This Enables The Mass Of Food To Pass Smoothly Through The Tube Leading From The Mouth Into The Stomach.

In The Dog Two Conditions Were Found To Produce Pathological Disturbances By Functional Interference, Namely, An Unusually Acute Clashing Of The Excitatory And Inhibitory Processes, And The Influence Of Strong And Extraordinary Stimuli. In Man Precisely Similar Conditions Constitute The Usual Causes Of Nervous And Psychic Disturbances. Different Conditions Productive Of Extreme Excitation, Such As Intense Grief Or Bitter Insults, Often Lead, When The Natural Reactions Are Inhibited By The Necessary Restraint, To Profound And Prolonged Loss Of Balance In Nervous And Psychic Activity.