No planet is more earth-like than Earth itself, so if life really does pop up readily in earth-like conditions, then surely it should have arisen many times right here on our home planet? And how do we know it didn't? The truth is, nobody has looked.
“I think she definitely has. I think, um, her and Mulder's relationship has become more equal. And, I think she has become stronger and more independent over the seasons.”
“The way to Heaven is ascending; we must be content to travel uphill, though it be hard and tiresome, and contrary to the natural bias of our flesh.”