The Intelligent Man Finds Almost Everything Ridiculous,

We Can Most Safely Achieve Truly Universal Tolerance When We Respect That Which Is Characteristic In The Individual And In Nations, Clinging, Though, To The Conviction That The Truly Meritorious Is Unique By Belonging To All Of Mankind.

Insofar As He Makes Use Of His Healthy Senses, Man Himself Is The Best And Most Exact Scientific Instrument Possible. The Greatest Misfortune Of Modern Physics Is That Its Experiments Have Been Set Apart From Man, As It Were, Physics Refuses To Recognize Nature In Anything Not Shown By Artificial Instruments, And Even Uses This As A Measure Of Its Accomplishments.

The History Of Science Is Science Itself; The History Of The Individual, The Individual.

There Is Nothing More Frightful Than For A Teacher To Know Only What His Scholars Are Intended To Know.

Truth Has To Be Repeated Constantly, Because Error Also Is Being Preached All The Time, And Not Just By A Few, But By The Multitude. In The Press And Encyclopaedias, In Schools And Universities, Everywhere Error Holds Sway, Feeling Happy And Comfortable In The Knowledge Of Having Majority On Its Side.