It iz actually both ... Ironically I waz actually pondering something cloze to your paradox the other day... http://en.wikipedia.org/wiki/Curvature
A guy can't sell his blood cause he's got hepatitis, but he can't afford hepatitis medicine unless he sells his blood. So he poses nude in art classes. Plus one time he did it with a dead guy
Might depend on perspective. I would say though, that even if you consider the state of being next to the railroad, so that it travels ahead of you in a straight (not going left or right) line, it is still curving downwards towards the center of the earth. This becomes obvious when you go to the northpole and look at the track. It's a giant circle. However, you can say that the track is 100% level at all points, which has to do with equal hieghts relative to gravity (as a simply explained definition).
Thing is,Unu-if you move a bit further from the centre of gravity,I.E. in orbit;you have to maintain a flat forward trajectory to fly in a circle around the Earth. Hmm....
Technically, that isn't a paradox. It's more like an oxymoron (ex: organized mess, clearly confused, etc.)
Here are a couple off the top of my head: 1. The one where if you go back in time and killed your mom.If u killed her u cant exist, but you have to exist to kill her. 2. If u fell all the way to the center of earth, how would gravity effect u? 3. Utopian societies. There's no such thing on earth. There's some con to every utopian society on earth.
your damned if you do,your damned if you dont TRUE THAT ------------------------------------------------
As soon as you give it all up you can have it all. I love that about life. Once you lose everything in your world, you have the whole world!
If we needed to have a creator create us, then we call him our God. Following the same concept, this would mean that God would need a creator as well. Who created GOD? And who created the God that created our God? and so on and so on.