Try memorizing Professor Fried's " felicitous phrase" and you will see how hard it is.

He once in my hearing used a very felicitous phrase, full of wisdom, "Government by good nature."

That is a felicitous phrase.

To use a felicitous phrase, I think of Senator Morgan of Alabama, he did not come out of the door and cry 'Cuckoo!'

If he were to go he would be, in Harold Wilson's felicitous phrase on being succeeded by Jim Callaghan, making way for an older man.

And here and there we come across such felicitous phrases as-

They abound in felicitous phrases-

[The following illustrates the advantages of a happy retort, the importance of a felicitous phrase, or of quick thought and ready speech.