we have little knowledge or understanding of the energy of the universe for which we are a potential conduit , apart from our own existentialism and so our motivations for travel pertain to the egotistical needs of the individual self making for a colourful array of weird and wonderful outbursts of human behaviour which are generally only momentarily and physically significant , even to us , and the products and consequential damage of these behaviours will die with us as a matter of course .