Zhé / xué / kè / shàng / lǎo / shī / ràng / wǒ / men / sī / kǎo / jí / duān / zhī / è / cóng / hé / ér / lái

哲学课上，老师让我们思考极端之恶从何而来。

In philosophy class, the teacher asked us to consider where radical evil comes from.