Be (all) part of life's rich pageant British phrase
The words "tapestry", "pattern", "fabric" can be substituted for "pageant".
The phrase is often used ironically to encourage someone.
Used to imply that all the good and bad things happen to make up one's life, so one should accept or enjoy that.
"I have got a bad mark in Math test" - "I'm so sorry. Unfortunately, they're all part of life's rich pageant".
You should be aware that these little happy moments are all part of life's rich pageant.
He was miserable because his business went bankrupt. However, they are all part of life's rich pageant.
The first known occurrence of the phrase "(it’s) (all) part of life’s rich pattern or pageant, tapestry, fabric" is from The Games Mistress, a monologue recorded in 1937, set in the confined world of all-girls schools, by the English author, journalist, broadcaster and monologist Arthur Marshall (1910-1989):
"What, knocked a tooth out? Never mind, dear, laugh it off, laugh it off; it’s all part of life’s rich pageant."
Used to express something bad is happening again
Here we go again! Lisa has just asked to borrow my new dress.