The Principle Of Contradiction Establishes Merely The

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

Just As The Largest Library, Badly Arranged, Is Not So Useful As A Very Moderate One That Is Well Arranged, So The Greatest Amount Of Knowledge, If Not Elaborated By Our Own Thoughts, Is Worth Much Less Than A Far Smaller Volume That Has Been Abundantly And Repeatedly Thought Over.

Still, Instead Of Trusting What Their Own Minds Tell Them, Men Have As A Rule A Weakness For Trusting Others Who Pretend To Supernatural Sources Of Knowledge.

A Man Who Has Not Enough Originality To Think Out A New Title For His Book Will Be Much Less Capable Of Giving It New Contents.

It Is Difficult To Find Happiness Within Oneself, But It Is Impossible To Find It Anywhere Else.