为了保持活力，所有的学术领域都需要真正的独立思想家的领导，他们可以无视既定的限制而挑战经久不衰的理论。

It seems self-contradictory to require academic leaders to ignore established boundaries and challenge long-standing assumptions.

1. There is no doubt that academic leaders should be independent thinkers.

2. However, an academic leader in any field is supposed to represent an established paradigm in that field.

3. What might also be important is the academic leader’s ability to organize the scholars of his field to promote academic development.

挑战权威之创新和离经叛道

一个人的伟大是无法为他的同代人所客观判定的，而是应该由后人来评判。

Agree with concession

1. An individual’s contemporaries may be emotionally connected with him or her.

2. It takes time for the significance of an individual’s deeds to be recognized.

3. Admittedly, there are still plenty of cases in which people’s greatness were instantaneously recognized and judged objectively by their contemporaries.

时间问题之个人的伟大