To Read A Book Is To Hold

The Fourfold Root Of The Principle Of Sufficent Reason Is "anything Perceived Has A Cause. All Conclusions Have Premises. All Effects Have Causes. All Actions Have Motives.

The Principle Of Contradiction Establishes Merely The Agreement Of Concepts, But Does Not Itself Produce Concepts.

Not To My Contemporaries, Not To My Compatriots But To Mankind I Commit My Now Completed Work In The Confidence That It Will Not Be Without Value For Them, Even If This Should Be Late Recognised, As Is Commonly The Lot Of What Is Good. For It Cannot Have Been For The Passing Generation, Engrossed With The Delusion Of The Moment, That My Mind, Almost Against My Will, Has Uninterruptedly Stuck To Its Work Through The Course Of A Long Life. Preface To The Second Edition Of "the World As Will And Representation

The Happiness Which We Receive From Ourselves Is Greater Than That Which We Obtain From Our Surroundings. . . . The World In Which A Person Lives Shapes Itself Chiefly By The Way In Which He Or She Looks At It.

How Very Paltry And Limited The Normal Human Intellect Is, And How Little Lucidity There Is In The Human Consciousness, May Be Judged From The Fact That, Despite The Ephemeral Brevity Of Human Life, The Uncertainty Of Our Existence And The Countless Enigmas Which Press Upon Us From All Sides, Everyone Does Not Continually And Ceaselessly Philosophize, But That Only The Rarest Of Exceptions Do.