《庄子·杂篇·则阳》
大公调说： 阴阳互相辉映、互相伤害又互相调治，四季互相更替、互相产生又互相衰减。
大公调曰： 阴阳相照相盖相治，四时相代相生相杀。
Great Harmony Melodies says: Yin and Yang mutually respond to each other, injure each other and yet condition each other; the Four Seasons mutually succeed each other, mutually produce and exhaust each other.