This is the sort of pedantry up with which I will not put.

Winston Churchill (1874-1965) British statesman and author

(Spurious)

Margin note after receiving an objection to ending a sentence with a preposition and using a dangling participle in official documents.  Frequently attributed to Churchill, the earliest reference to himwith this quotation is in September 1945.  The earliest the comment can be found is in a joke (not mentioning Churchill) in The Strand in May 1942.  More here.

Also given in different sources as:

• "This is the sort of bloody nonsense up with which I will not put."
• "This is the kind of arrant pedantry up with which I will not put."
• "This is the type of impertinence up with which I shall not put."