《易传·彖传上·随》
随，阳刚来而居内卦阴爻之下，动而喜悦，所以称随。 大道通顺而得正无咎 ，天下万物皆随时而。
随，刚来而下柔，动而说，随。大亨贞无咎，而天下随时。
Sui, the yang comes and stays under the yin yao of the inner hexagram, moving and rejoicing, so it is called Sui. The大道is smooth and successful without blame, and all things in the world follow in time.