I like these ones...

He has all the virtues I dislike and none of the vices I admire.
- Winston Churchill

A modest little person, with much to be modest about.
- Winston Churchill

I have never killed a man, but I have read many obituaries with great pleasure.
- Clarence Darrow

He has never been known to use a word that might send a reader to the dictionary.
- William Faulkner (about Ernest Hemingway)

Poor Faulkner. Does he really think big emotions come from bigwords?
- Ernest Hemingway (about William Faulkner)

Thank you for sending me a copy of your book; I'll waste no time reading it.
- Moses Hadas

He can compress the most words into the smallest idea of any man I know.
- Abraham Lincoln

I've had a perfectly wonderful evening. But this wasn't it.
- Groucho Marx

I didn't attend the funeral, but I sent a nice letter saying I approved of it.
- Mark Twain

He has no enemies, but is intensely disliked by his friends.
- Oscar Wilde

I am enclosing two tickets to the first night of my new play, bring a friend... if you have one.
- George Bernard Shaw to Winston Churchill

Cannot possibly attend first night, will attend second... if there is one.
- Winston Churchill, in reply