History is going to fundamentally bifurcate in one of two directions: We are either gonna be single planet species until some eventual extinction event, or we will become a multi planet species and be out there exploring the stars. And I like the second one. 

– Elon Musk, founder, CEO, and CTO of SpaceX; co-founder, CEO, and product architect of Tesla Motors; co-founder and chairman of SolarCity; co-chairman of OpenAI | https://youtu.be/IxTPKIvn–A