저는 예전에 수학자들에게 해수동물들이 실루리아기 이래로 그렇게 살아왔을때 수학자들은 왜 이 구조가 불가능하다고 생각했냐고 질문했었어요.
I once asked the mathematicians why it was that mathematicians thought this structure was impossible when sea slugs have been doing it since the Silurian age.