I meant what I said (and I didn't mean the Gates' quote). There are no flying DeLoreans (Back to the Future). There are no hotels on the Moon (Mad Man). People

I meant what I said (and I didn't mean the Gates' quote). There are no flying DeLoreans (Back to the Future). There are no hotels on the Moon (Mad Man). People overestimate long-term (20+ years) change. It just shows once more that for any maxim there is a maxim with the opposite meaning.