Looking through the courses I've taken over
the past few years, suddenly, I feel a deep worry. It is as if something is
missing, but I couldn't locate the source. But, well, what could go wrong? Indeed, I've learn so much from diverse disciplines, in politics, economics,
history, philosophy, logic, law, anthropology, biology, geology, and physics.
Until these words in Darwin ’s autobiography reminded me of what is
missing: