建筑是一种挑战，是对自我的挑战。
The capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems whose solution is required for objectively rational behavior in the real world.
To read is to travel without moving; to write is to move without traveling.
The moment you stop trying is the moment you start failing.
"Stories are the way we make sense of the past and imagine the future."
The causal approach is about understanding the mechanisms that generate the data.