One Couldn't Even Measure Roughness. So, By

Science Would Be Ruined If (like Sports) It Were To Put Competition Above Everything Else, And If It Were To Clarify The Rules Of Competition By Withdrawing Entirely Into Narrowly Defined Specialties. The Rare Scholars Who Are Nomads-by-choice Are Essential To The Intellectual Welfare Of The Settled Disciplines.

Self-similarity Is A Dull Subject Because You Are Used To Very Familiar Shapes. But That Is Not The Case. Now Many Shapes Which Are Self-similar Again, The Same Seen From Close By And Far Away, And Which Are Far From Being Straight Or Plane Or Solid.

Beautiful, Damn Hard, Increasingly Useful. That's Fractals.

Both Chaos Theory And Fractal Have Had Contacts In The Past When They Are Both Impossible To Develop And In A Certain Sense Not Ready To Be Developed.

For Most Of My Life, One Of The Persons Most Baffled By My Own Work Was Myself.