proverbial phrase
conventional saying which permits alteration, transmitted by oral tradition, where figurative meaning is the extension of its literal meaning
Paris is well worth a Mass
famous phrase, probably apocryphal, attributed to the French king Henry IV, which later became a proverbial saying
Reap the whirlwind
fragment or abbreviation of a proverbial phrase ("They that sow the wind, shall reap the whirlwind") from the Book of Hosea, in the Hebrew Bible (Hosea 8-7).
the straw that broke the camel's back
last straw