Now you begin to see, don't you, that distance ain't the thing to judge by, at all; it's the time it takes to go the distance in that counts....It's a matter of proportion, that's what it is; and when you come to gauge a thing's speed by its size, where's your bird and your man and your railroad alongside of a flea?....A flea is just a comet, b'iled down small.
- Tom Sawyer Abroad