But to fully understand new knowledge often proves to be beyond our grasp.
It has nothing to do with ability, but is a sadness inherent to human beings.
The decline of brain function is irreversible.
After the age of 40, one may still be able to maintain vigorous energy and a thirst for knowledge, but whether it is memory, imagination, or comprehension, decline is inevitable, and it's not linear—it's exponential.
Beyond 60, learning a complete and abstract theory is not impossible, but to delve deeply into research becomes too difficult.
Not to mention Elder Qiu is already in his seventies.
Reluctance to accept aging is a commendable spirit, but natural laws ultimately cannot be resisted.
Thus, a heart full of conflicts eventually gave way to the sentiment, "This Xu is not bad, although not as good as Qiao Ze. Of course, at the moment, it seems no one can surpass him."
