The Five Canons 五经:
Shi Jing 诗经 (Canon of Poetry)
Shang Shu尚书 (Supreme Book)
Yi Jing 易经 (Canon of Changes)
Li Ji 礼记 (Propriety Narration)
Yue Jing 乐经 (Canon of Music)
are also classified under Wu Xing:
Shi Jing is classified as Earth because poetry expresses the feeling of people in the most trustful way.
Shang Shu is classified as Metal because history events show the path of righteousness.
Yi Jing is classified as Water as it is the product of human wisdom.
Li Ji is classified as Fire as propriety is the display of human dignity.
Yue Jing is classified as Wood because music is soothing and kind.
If we try to apply the Sheng Cycle and Ke Cycle to the above, we will have a better understanding of these two cycles. Sheng and Ke are both like a sword with two edges. They are not all good and not all bad. It only depends on how they are used.