Stanislaw Ulam Quote

Thinking very hard about the same problem for several hours can produce a severe fatigue, close to a breakdown. I never really experienced a breakdown, but have felt "strange inside" two or three times during my life.

Chapter 2, Student Years, p. 34 - Adventures of a Mathematician - Third Edition (1991)

Thinking very hard about the same problem for several hours can produce a severe fatigue, close to a breakdown. I never really experienced a...

Thinking very hard about the same problem for several hours can produce a severe fatigue, close to a breakdown. I never really experienced a...

Thinking very hard about the same problem for several hours can produce a severe fatigue, close to a breakdown. I never really experienced a...

Thinking very hard about the same problem for several hours can produce a severe fatigue, close to a breakdown. I never really experienced a...