Complex sentence: Shen Dao's own original 42 essays have been lost, and only 7 fragments are still extant, and he is known largely through short references and the writings of others, notably Han Fei and Zhuang Zi.
Split into simpler sentences: Shen Dao's own original 42 essays have been lost. With only 7 fragments are still extant, he is known largely through short references and the writings of others, notably Han Fei and Zhuang Zi.