You couldn't even prove the White House staff sane beyond a reasonable doubt.
Let us so live that when we come to die even the undertaker will be sorry.
How to Raise your I.Q. by Eating Gifted Children
I shouted, and earned a hard thump on my head for my trouble.
A conference is a gathering of important people who singly can do nothing, but together can decide that nothing can be done.
All the world's a cage.
It pays to be obvious, especially if you have a reputation for subtlety.