I think this quote can also be applied to ourselves. Sometimes we may think that because war is raging in some other part of the World, maybe war won´t come to our own doorstep. Yet war is just an example, we often heard about other dire news in some other countries and don´t care about it. We have to remember this planet is small compared to the vastness of Space so we must be more aware of was going on around us and became more active. In a micro level we fence ourselves from our neighbours even from our own family also. We humans have become very de-humanized.