^ Yes, the time travel concept is rather contentious... but there are strong proponents for both sides of the argument. In any case, I don't see how it would change my life at all knowing if it did or not... thus, I wouldn't ask it. And as for sentient life as we know it, it's all about the probabilities... the right sized planet with the right amount of natural resources, positioned at just the right distance from a sun, with the appropriate number and size of other planets in the solar system for gravitational balance. Given how numerous the celestial bodies are, the odds are very much in favor of sentient life existing elsewhere. I'm pretty convinced it is, but... knowing it for certain doesn't change my life at all, so I'm not interested. And as for God, this is the "universal" question, irrespective of religious incarnations. I rather doubt one does exist according to human crafted scripture, based on the sheer cruelty that is "allowed" to exist, in addition to the enormous waste that the human race generates (all other life is far more conservative and co-exists well with the Earth, while we do far more harm than good). But "God" could be something we've never even imagined, an organized form of energy that initiated Big Bang and set the blueprints for how organic compounds may form. My desire is to know if there's any intelligent design in any shape or form... just to be sure.