No one wants advice...

No one wants advice--only corroboration.

--John Steinbeck

There is no conversation more boring...

There is no conversation more boring than the one where everybody agrees.

--Michel de Montaigne

The fellow that agrees with everything...

The fellow that agrees with everything you say is either a fool or he is getting ready to skin you.

--Kin Hubbard

I have never in my life...

I have never in my life learned anything from any man who agreed with me.

--Dudley Field Malone