A father, his son, alone. Against the toughest world.
Here I really liked the post-apocalypse environment. Some situations are pretty crude, also.

«What was born earlier, the egg or the chicken?»

(temporal agent John)

Great movie, full of tricks bound to the time travels.

Publishing a paper in academia is challenging, stimulating, and a bit baffling. Challenging because the research might fail. Stimulating because research may start assuming one outcome and finish with a totally different one. Baffling because after the paper is written and ready, I have to find it a home for