《管子·枢言》
圣人在运用其心思，好像浑浑沌沌地博大而圆到，又隐隐地使人找不到门，纷纷然好象乱丝，又象有次序地可以梳理。
圣人用其心，沌沌乎博而圜，豚豚乎莫得其门，纷纷乎若乱丝，遗遗乎若有从治。
A sage uses his mind, being broad and complete, obscure and intricate, confused and orderly, but harmonious.