今翟上无君上之事,下无耕农之难,吾安敢废此
墨翟我上没有侍奉国君的差事,下没有耕田种地的艰难,我怎么敢放弃读书呢?
A team's ceiling is often determined by the leader's cognitive boundaries.
数学的语言是普遍的,超越了文化和语言的障碍。
The AdS/CFT correspondence is a powerful tool for understanding quantum gravity.