Science Will Stagnate If It Is Made

We Scientists, Whose Tragic Destination Has Been To Help In Making The Methods Of Annihilation More Gruesome And More Effective, Must Consider It Our Solemn And Transcendent Duty To Do All In Our Power In Preventing These Weapons From Being Used For The Brutal Purpose For Which They Were Invented.

The Scientist Is Activated By A Wonder And Awe Before The Mysterious Comprehensibility Of The Universe Which Is Yet Finally Beyond His Grasp. In Its Profoundest Depths It Is Inaccessible To Man.

The Only Justification For Our Concepts And Systems Of Concepts Is That They Serve To Represent The Complex Of Our Experiences; Beyond This They Have Not Legitimacy.

God Did Not Create Evil. Just As Darkness Is The Absence Of Light, Evil Is The Absence Of God.

I Made One Great Mistake In My Life-when I Signed The Letter To President Roosevelt Recommending That Atom Bombs Be Made But There Was Some Justification-the Danger That The Germans Would Make Them.