@praisejohnn The question is: if we are equipped with enough sensory organs for survival, Do we truly have nothing in nature that is not necessary for us to detect? If there isn't we can clearly say that all that there is is all that is perceptible. Even with machine detectors...
@toshine4u Buenos Aires...it means "good airs". The capital city has a very good climate. The region was named Buenos Aires by the conquistadors because of this. (I knew this already. I really didn't check anything)