I always tell non-programmers (and sometimes programmers interfacing with the systems I maintain): Don't tell me what I need to do, tell me what You want to do

I always tell non-programmers (and sometimes programmers interfacing with the systems I maintain): Don't tell me what I need to do, tell me what You want to do. Mostly clients seem to think they need to come up with the way to accomplish stuff, rather than express the need and let the programmer figure out how to meet that need.