i'm not talking about aptitude and i hope i didn't give this impression. desire to do something does not make you inherently better at it... maybe i miss your

i'm not talking about aptitude and i hope i didn't give this impression. desire to do something does not make you inherently better at it... maybe i miss your point, but 'impetus' as classically defined is nearly equivalent to the newtonian concept of momentum and yes - the common sense there does make sense. the usual real problem here is that vaccuum is not something we experience - so the idea that the natural state is to be 'at rest' is common sense but misleading - one can of course argue that the presense of air and the resistance it gives is also common sense. its a wooly term. when i use it here what i mean to say is that imo its blatantly obvious.