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."