To morrow never Comes
A reproof to those who defer till to-morrow what should be done to-day.
“ `I shall acquaint your mother, Miss May, with your pretty behaviour to-morrow.'- `I suppose you mean to-morrow come never,' answered Magnolia.” —Le Fanu: The House in the Churchyard, p. 118.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894