Space, goes a half remembered and un-looked up quote from Douglas Adams, is really big. You might think it's a long way down to the street to the chemist, but that's just peanuts to space.
The corollary, I would add, is that you might think your paycheck is small, but that's massive to an atom. You know what? I'll leave the pithy quotes to Douglas Adams.
Nikon has put up a great little page demonstrating scale from the atomic to the intergalactic. Take a look here.