“Not forever does the bulbul sing
In balmy shades of bowers,
Not forever lasts the spring
Nor ever blossom the flowers.
Not forever reigneth joy,
Sets the sun on days of bliss,
Friendships not forever last,
They know not life, who know not this.”
Source: Train to Pakistan
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Khushwant Singh 39
Indian novelist and journalist 1915–2014Related quotes
“No winter lasts forever; no spring skips its turn.”
Sundial of the Seasons, Lippincott, 1964, p. 49

Source: Attributed, Dictionary of Burning Words of Brilliant Writers (1895), P. 78.
“But it is the nature of life that no emotion is meant to last forever…”
Source: The Wild (1995), p. 42
“I know this doesn't last forever, so I'm cherishing every moment of it”
http://img.picturequotes.com/2/308/307755/i-know-this-doesnt-last-forever-so-im-cherishing-every-minute-of-it-quote-1.jpg

“The sadness will last forever.”
Attributed to Vincent, as quoted by Theo van gogh in his letter from Paris, to Elisabeth van Gogh, 5 August 1890 http://www.webexhibits.org/vangogh/letter/21/etc-Theo-Lies.htm
Some of the last words Vincent said to Theo, while dying
1890s