Akademik

Что прошло, то будет мило
We enjoy recollecting hardships we overcame in the past
Cf: Pain past is pleasure (Am., Br.). The remembrance of past dangers is pleasant (Am.). Remembrance of past sorrow is joyful (Br.). Sorrows remembered sweeten present joy (Am.). That which was bitter to endure may be sweet to remember (Am., Br.). What is hard to bear is sweet to remember (Am.). When difficulties are over they become blessings (Br.)

Русско-английский словарь пословиц и поговорок. . 2013.