In San Francisco 2010, he sits in the passenger seat of a waiting vehicle, and asks a question.
"I know you like architecture, but why do you run an architecture office?"
The day's memories are still vivid. I didn't have an answer to take out, and my head was completely white, just staring ahead.

Is it because I haven't questioned what I'm doing even after 17 years of construction? After entering a bachelor's degree in Korea, a master's degree in France, and a Ph.D., I also got involved in something after I got an architectural license from the French government. 'I stopped completely at the question.