If a problem has no solution, it may not be a problem, but a fact, not to be solved, but to be coped with over time.
Shimon Peres (1923-2016) Polish-Israeli politician, statesman
(Attributed)
Widely attributed to Peres in different sources. Quoted in the Wall Street Journal (7 Feb 2001). Donald Rumsfeld says that Peres made the observation to him.
Quotations by:
Peres, Shimon
They think if you sing a song of peace then you will have peace, but you will just become a singer.
Shimon Peres (1923-2016) Polish-Israeli politician, statesman
Interview in The Observer by Conal Urquhart (28 Sep 2003)
On Israel's Leftists. Source article. Quoted elsewhere as, "Many people think that if you sing a song of peace, you have peace. What you have is a concert."