How man evolved with such an incredible reservoir of talent and such fantastic diversity isn't completely understood... he knows so little and has nothing to measure himself against.
The true measure of a career is to be able to be content, even proud, that you succeeded through your own endeavors without leaving a trail of casualties in your wake.
When you take a drug to treat high blood pressure or diabetes, you have an objective test to measure blood pressure and the amount of sugar in the blood. It is straight-forward. With autism, you are looking for changes in behavior.
In every work of art the subject is primordial, whether the artist knows it or not. The measure of the formal qualities is only a sign of the measure of the artist's obsession with his subject; the form is always in proportion to the obsession.
Nature generally struggles against this treatment for a while, until her powers seem in a great measure exhausted, when she quietly yields to the power of the art.
I frequently compose out the entire metric structure of a piece in modified cyclic form, where each cyclic revolution undergoes some form of 'variation' much as if measure lengths were concrete musical 'material.'
The poorer is a family, the greater is the proportion of the total outgo which must be used for food... The proportion of the outgo used for food, other things being equal, is the best measure of the material standard of living of a population.