C.N. Douglas, comp. Forty Thousand Quotations: Prose and Poetical. 1917.
Thoroughness
Whatever is worth doing at all is worth doing well.
Lord Chesterfield.
There is large difference between indolent impatience of labor and intellectual impatience of delay, large difference between leaving things unfinished because we have more to do or because we are satisfied with what we have done.
Ruskin.