There should be no boundaries to human endeavor. However bad life may seem, there is always hope.

What could define God, [is thinking of God] as the embodiment of the laws of nature. However, this is not what most people would think of that God. They made a human-like being with whom one can have a personal relationship. When you look at the vast size of the universe and how insignificant an accidental human life is in it, that seems most impossible.

It matters if you don't just give up.

We are all different. There is no such thing as a standard or run-of-the-mill human being, but we share the same human spirit.

There could be whole antiworlds and antipeople made out of antiparticles. However, if you ever meet your antiself, don't shake hands! You would both vanish in a great flash of light.

We won't know for a few years.

Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it.