It's the job that's never started as takes longest to finish.

It's a job that's never started that takes the longest to finish.

It's the job that's never started takes longest to finish.

It is the job that is never started that takes longest to finish.

The proper study of Man is anything but Man; and the most improper job of any man, even saints (who at any rate were at least unwilling to take it on), is bossing other men. Not one in a million is fit for it, and least of all those who seek the opportunity.

The original 'Hobbit' was never intended to have a sequel - Bilbo 'remained very happy to the end of his days and those were extraordinarily long': a sentence I find an almost insuperable obstacle to a satisfactory link.