If we do discover more than one type of life on Earth, we can be fairly certain that the universe is teeming with it, for it would be inconceivable that life started twice here but never on all the other earth-like planets.
“Truth is a pain which will not stop. And the truth of this world is to die. You must choose: either dying or lying. Personally, I have never been able to kill myself.”
“Conscience that isn't hitched up to common sense is a mighty dangerous thing.”