I can formally prove it correct
I have empirical evidence that it may be true
It cannot possibly be true
I fear it's true but I can't accept its implications
You can tune a guitar, but you can't tunafish.
Bringing computers into the home won’t change either one, but may revitalize the corner saloon.
Monads should have been called "warm fuzzy things" instead.
If you hold csh up to your ear, you can hear the C.