Sometime they can be pessimistic which is caused by their dualistic nature.

由于具双重性格，有时候他们可能会悲观厌世。

youdao

The most evident feature of his literary stand was the dualistic theory of human nature based on the theory of New Humanism.

他的文学主张最明显的特点是建立在新人文主义基础上的二元人性论 ，而艺术至上主义却时隐时现地贯穿于他批评活动的始终。

youdao

The dualistic nature of Islam, in this case as it applies to the meaning of "Jihad, " is well documented both in historical Islamic doctrine and in contemporary use of the term.

CENTERFORSECURITYPOLICY: CAIR��s New Disinformation Campaign on ��Jihad��

Since the sources and the act of creation are dualistic by nature, the meaning of the work sometimes eludes the artist.

WSJ: A.B. Yehoshua, Author of Mr. Mani, on the Limits of Imagination | Word Craft