That is interesting.
Through the Drake Equation, we can ascertain there are some number (say, a 1,000,000) of inhabitable worlds with intelligent life out in the universe. Assuming his equation is accurate, we can be able to find a planet that is hospitable for colonization (assuming the local "flora and fauna" don't give us any "trouble").
Unfortunately the universe is a vvveerrryyyy large place. Although we could, on paper, rest a moment when it comes to potentially finding a million worlds that are inhabitable...finding those types of planets in the universe is akin to finding a "needle in a stack of needles" (I'm quoting someone here, but I don't remember the name of the person off the top of my head).
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