The fundamental difference between clarity and honesty. The difference between a politician and a real person.
from: Alice's Adventures in Wonderland
Anyone, well almost anyone, can say what they mean (clarity, argument, etc), but it is always harder to really mean what you say (honesty, directness, trueness,realness)
Interesting study recently (and no I do not have the link-sorry-check CNN) about Aphasia and the ability to detect when people are lying. Supposedly people with this neurological problem are successful at detecting deceit at a rate much greater than the general population. Sounds like something out of Shakespeare to me.