Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

Innovation in physics often comes from looking at old problems in new ways.

Fear of change stifles progress; understanding change directs it.

I decided, very early on, just to accept life unconditionally; I never expected it to do anything special for me, yet I seemed to accomplish far more than I had ever hoped. Most of the time it just happened to me without my ever seeking it.