It is a maxim universally agreed upon in agriculture, that nothing
must be done too late; and again, that everything must be done at
its proper season; while there is a third precept which reminds us
that opportunities lost can never be regained.
-- Pliny the Elder (23-79 AD)
-- Natural History, Book xviii, Sect. 44
The world, and whatever that be which we call the heave by the
vault of which all things are enclosed, we must conceive to be a deity,
to be eternal, without bounds, neither created nor subject at any
time to destruction....