I don't think that you made it up out of "whole cloth" so as to speak. I have heard similar sentiments voiced before but darned of I remember where.
IMO it's a reflection on the desireability of having goals. Also when one has achieved all goals what is left? If you, in your opinion have reached the pinnacle of your achievements, the only way to go is down.
You might like to try the "Quotes forum" of A2K. It's kind of fun.