A Horse Is Simply A Horse.

Pain Is A Sensation Produced By Something Contrary To The Course Of Nature And This Sensation Is Set Up By One Of Two Circumstances: Either A Very Sudden Change Of The Temperament (or The Bad Effect Of A Contrary Temperament) Or A Solution Of Continuity.

The Knowledge Of Anything, Since All Things Have Causes, Is Not Acquired Or Complete Unless It Is Known By Its Causes.

In God Alone, Essence (what He Is) And Existence (that He Is) Coincide.

The Theory Of Medicine, Therefore, Presents What Is Useful In Thought, But Does Not Indicate How It Is To Be Applied In Practice-the Mode Of Operation Of These Principles. The Theory, When Mastered, Gives Us A Certain Kind Of Knowledge. Thus We Say, For Example, There Are Three Forms Of Fevers And Nine Constitutions. The Practice Of Medicine Is Not The Work Which The Physician Carries Out, But Is That Branch Of Medical Knowledge Which, When Acquired, Enables One To Form An Opinion Upon Which To Base The Proper Plan Of Treatment.

The Different Sorts Of Madness Are Innumerable.