Not by any means was it a bit of shoemakers' wax in the seat of one's chair (as Anthony Trollope put it).

Talent must work hard and constantly for development.

I said: "Genius is inspiration; Talent is perspiration." I had never heard that definition and thought it was mine.

Of late it has been widely quoted, but with no acknowledgment, so I still think it is mine.

Are there any other claimants--and prior to 1880?
There were many questions and decided differences of opinion.