A Theory In Its Day

Knowledge Is Not A Loose-leaf Notebook Of Facts. Above All, It Is A Responsibility For The Integrity Of What We Are, Primarily Of What We Are As Ethical Creatures.

Dissent Is The Native Activity Of The Scientist, And It Has Got Him Into A Good Deal Of Trouble In The Last Years. But If That Is Cut Off, What Is Left Will Not Be A Scientist. And I Doubt Whether It Will Be A Man.

Fifty Years From Now If An Understanding Of Man's Origins, His Evolution, His History, His Progress Is Not In The Common Place Of The School Books We Shall Not Exist.

Nature Has Not Fitted Man To Any Specific Environment.

All Science Is The Search For Unity In Hidden Likenesses.