Here are some examples: Famous Last Words
Student or Learner
What is the meaning of ''famous last words'' ?
And the idea of famous people saying something notably pithy before they die is often jokingly extended by or of ordinary people who are about to do something risky and have an improbably optimistic expectation of a good outcome:
Teacher A leaving staffroom: 'I've got 4b next. Well, I can't put it off any longer. Here goes. It can't be any worse than last week.'
Teacher B: 'Famous last words!'