Quotation from: Villette

Written by: Charlotte Bronte

Reason, coming stealthily up to me through the twilight of that long,
dim chamber, whispered sedately--"He may write once. So kind is his
nature, it may stimulate him for once to make the effort. But it
_cannot_ be continued--it _may_ not be repeated. Great were
that folly which should build on such a promise--insane that credulity
which should mistake the transitory rain-pool, holding in its hollow
one draught, for the perennial spring yielding the supply of seasons."