Because Chinese allows for quick thinking on problems.
When a person's overall knowledge level is relatively limited and their understanding of the world's essence is not very profound or extensive, the rapid structure of Chinese language enables them to more easily envision the future.
On the other hand, the slower structure of English forces the individual to focus more on gathering all the information they need at present and making slow decisions to address problems they are facing, like credit card repayment, for instance.
However, on another level, Harrison Clark believed that regardless of whether one's mother language is Chinese or English, top scholars in both languages can still focus on the future while standing firmly in the present.
When speakers of both languages reach the pinnacle of their respective academic fields, there is no defining the superiority of one over the other.