Read the quotation and answer the question.
Simplicity, patience, compassion. These three are your greatest treasures. Simple in actions and thoughts, you return to the source of being. Patient with both friends and enemies, you accord with the way things are. Compassionate toward yourself, you reconcile all beings in the world.
— Laozi
Which religion's teachings is Laozi describing?
A. Buddhism
B. Hinduism
C. Shintoism
D. Daoism