Ryan Holiday - Say no
When someone wants a yes, they don’t hear maybe as a no.
They hear it as “So what you’re telling me is that I have a chance?”
The attempt to get out of it by being less than direct only entangles you in it more.
— Ryan Holiday
http://thoughtcatalog.com/ryan-holiday/2016/03/dont-say-maybe-if-you-want-to-say-no/