the greatest and most unbending
Zhida Zhigang, a Chinese idiom, means extremely upright and strong. From Mencius Gongsun Chou Shang.
The origin of Idioms
"Mencius Gongsun Chou Shang" says: "it's Qi, the most powerful and the most powerful, and it's harmless to keep it straight, but it's blocked between heaven and earth."
Idiom usage
When Zhu Ziqing said "the most powerful" and "the most courageous", they were all militant. (on integrity by Zhu Ziqing)
the greatest and most unbending
seek far and neglect what lies close at hand - shě jìn qiú yuǎn
relieve the state of zhao by besieging the state of wei - wéi wèi jiù zhào