Jīn Yōng bǐxià de " kànglóng-yǒuhuǐ " jièyòng le 《 Zhōuyì · Qiánguà 》 lǐ de huà.
Jin Yong's martial-arts move 'the proud dragon has regrets' borrows words from the Qian chapter of the Book of Changes.
Tips
culture
The commentary on this hexagram gives one of the most quoted lines in Chinese: 天行健,君子以自强不息 ('heaven moves on with vigour; the noble person never stops striving'). With a line from 坤卦 it makes the motto of 清华大学.
mistakes
乾 is read qián here. The same character also served as the old form of 干 'dry', read gān, but only that sense was simplified to 干; in the hexagram name it always stays 乾.