It is not in the impossibility that we undertake an endeavor; precisely, in the narrow margin of possibility do we find an endeavor viable, even desirable.

 Undefined: the future of human civilization in space

 Via space travel, exploration, and settlement, we will experience the beginning of the next evolutionary jump.  Human beliefs, customs, practices, and understanding of ourselves will change.

 The abundance of civilization has sheltered and protected us from questions of mortality. As we go into space, questions will arise once more, but in a new context by a new civilization.