The universe does not behave according to our pre-conceived ideas. It continues to surprise us.
More often than politicians, but not as often as they should.
A million million million million (1 with twenty-four zeros after it) miles, the size of the observable universe.
Nothing is fool-proof to a sufficiently talented fool.
I'm here to chew gum and kick some ass, and I'm all out of gum.
If we do discover a complete theory, it should be in time understandable in broad principle by everyone. Then we shall all, philosophers, scientists, and just ordinary people be able to take part in the discussion of why we and the universe exist.