Opinions Which Justify Cruelty Are Inspired By

In All The Creative Work That I Have Done, What Has Come First Is A Problem, A Puzzle Involving Discomfort.

The First Man Who Said "fire Burns" Was Employing Scientific Method, At Any Rate If He Had Allowed Himself To Be Burnt Several Times. This Man Had Already Passed Through The Two Stages Of Observation And Generalization. He Had Not, However, What Scientific Technique Demands - A Careful Choice Of Significant Facts On The One Hand, And, On The Other Hand, Various Means Of Arriving At Laws Otherwise Than My Mere Generalization.

Admit At Least One Painful Truth To Yourself Every Day. Teach Yourself To Feel That Life Would Still Be Worth Living Even If You Were Not Immeasurably Superior To All Your Friends. Exercises Of This Sort, Prolonged Through Several Years, Will At Last Enable You To Admit Facts Without Flinching, And Will, In So Doing, Free You From The Empire Of Fear Over A Very Large Field.

Is The Set Of All Sets Which Are Not Members Of Themselves A Member Of Itself?

Only Mathematics And Mathematical Logic Can Say As Little As The Physicist Means To Say.