How is “hope for the best” used?

In Avengers: Age of Ultron (2015), one line is: “You hope for the best, then make do with what you get.”

Which movie is “hope for the best” from?

The clip at the top of this page is from Avengers: Age of Ultron (2015).

to hope that sth will happen successfully, especially where it seems likely that it will not

Oxford100% of films
to hope that sth will happen successfully, especially where it seems likely that it will not
and hope for the best.
You hope for the best, then make do with what you get.

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

You hope for the best, then make do with what you get.

Said in 8 films · #1