In China, under the gradual influence of the Dhyana, men of literature and writing show the poetic quality of the Dhyana or the artistic conception in their works.

• 常无，欲观其妙；常有，欲观其徼。此两者同出而异名，同谓之玄，玄之又玄，众妙之门。”又说：“大音希声，大象无形。”