It’s a deep subject. The universe is so vast that it may be teeming with life and yet it’s also possible man may never find any evidence of it. We’re just scratching the surface at this point.
“The universe is so vast that it may be teeming with life...”
It might also be teeming with giant marshmallow men, but it’s not. Modern man just hangs all of his hopes on one extraordinarily unlikely supposition because he despises admitting the consequences of that supposition not being true.