Pain past is pleasure怎么发音，给配个中文的谐音

Pain past is pleasur Pain past is pleasure.过去的痛苦即是快乐。 谁知道"Pain past is pleasure"这句话是谁说的? tomorrow is past love is a pain 歌词 A word spoken is past recalling. it is a pain in the neck如何翻译？ Where there is pain, I wish you peace and mercy. No man is rich enough to buy back his past Is it nexessary for people to learn from past?