'Do the duty that lies nearest thee', which thou knowest to be a duty! Thy second duty will already have become clearer.
Source: Sartor Resartus, Bk ii. Ch. 9
-- Thomas Carlyle, (Dec 4 1795-1881), Scottish essayist, historian; He was considered one of the era's great sages and man of letters; wrote The French Revolution, 1837.