“对别人多点关心，多为别人着想，世界就会大不一样。”
The past is not dead. It is not even past.
The greatest hazard of all, losing one’s self, can occur very quietly in the world, as if it were nothing at all.
"The most ordinary lives can contain extraordinary stories."
The concept of reducibility is central to understanding the relationships between different computational problems.
"History is not what happened, but what we remember and how we remember it."