Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.
One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away.
I have so much that I want to do. I hate wasting time.
There is no unique picture of reality.
Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.
Theology is unnecessary.