“The sadness will last forever.”

“Through many waters borne, brother, I am come to thy sad grave, that I may give these last gifts to the dead. Forever and ever, brother, hail. Forever and ever, farewell.”

“Why don't they just accept that life is sad and cheer up it's not forever.”

“Nothing lasts forever.”

“No blessing lasts forever.”
Nulli est homini perpetuum bonum.

“Economic systems come, and economic systems go. No economic system lasts forever. Capitalism is not likely to last forever, either.”

“But they never last, the golden days. And it can be sad, the sun in the afternoon, can't it? Yes, it can be sad, the afternoon sun, sad and frightening.”

“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.”

“I want to believe that memories, even sad and painful ones, should not be forgotten forever.”

“Pain is temporary. Quitting lasts forever.”