(simile) Life is full of surprises; you never know what will happen next.

Alternative form of play the hand one is dealt

(law) Abbreviation of Falkland Islands.

(law) Abbreviation of Pitcairn Islands.

(US) Alternative spelling of discretion is the better part of valour

(idiomatic) To be experienced or well-informed. / (idiomatic) To be astute, perceptive enough to observe a situation that is not what it seems and recognize its true nature.

(Ireland) Kind deeds or favours are often forgotten by the beneficiary once they have been done.

Alternative form of might makes right

It is sometimes necessary to cooperate with a person one does not like or agree with, in order to combat a common threat.

(Internet slang) The end being pursued is unattainable or misguided; the reward promised is false.