When an apple falls from a tree, we accept it has fallen.We don't say "But you can't be 100% sure it won't fall sideways next time." Some scientific questions have been answered thoroughly enough to move on. Newton's law of gravity is one of them. Vaccines not being a cause of autism is another.
If you were a God and you have designed this universe with endless space.What trick you would have used and where the humans should look for god if they want to achieve god in this vast universe so that they could find easily.
If we are born to die and we all die to live ehat is the point of living life when it just comtradicts?