No one should pick a problem, or make a resolution, unless he realizes that the ultimate value of it will offset the inevitable discomfort and trouble that always goes along with the accomplishment of anything worth while. So let us not waste our time and effort on some trivial thing.

Short Stories of Science and Invention: A Collection of Radio Talks by, C.F. Kettering, Patience (p. 59), General Motors. Detroit, Michigan, USA. 1955