Verse 18: Origin of morals

大道廢有仁義;
The great Tao declined, then came "moral righteousness".
慧智出有大偽；
Intelligence appeared, then came the big lies.
六親不和有孝慈；
The six relations were in disharmony, then came "filial compassion"
國家昏亂有忠臣。
The country was in turmoil, then came "loyal ministers".

Comments
Sarcasm abounds!