Birbal took only a few moment and wrote something that fit the requirements. What did he write?

Question

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

Answer 1

This too shall pass . HERE too refering the good or bad times