It is not always by plugging away at a difficulty and sticking to it that one overcomes it; often it is by working on the one next to it. Some things and some people have to be approached obliquely, at an angle.
Andre Paul Guillaume Gide (November 22, 1869 February 19, 1951) was a French author and winner of the Nobel prize in literature in 1947. Gide's career spanned from the symbolist movement to the advent of anticolonialism in-between the two World Wars.
retired, real 79 old