水因有月方知净 天为无云始见高 (水因有月方知淨 天為無雲始見高) shuǐ yīn yǒu yuè fāng zhī jìng tiān wèi wú yún shǐ jiàn gāo

shuǐ yīn yǒu yuè fāng zhī jìng tiān wèi wú yún shǐ jiàn gāo phrase That purity unseen until the moon is reflected in the water; The height of the sky unseen until not a cloud is in sight.
Domain: Buddhism 佛教 , Subdomain: Fo Guang Shan
Notes: (Glossary of Humanistic Buddhism)