“Though you might understand the heart of the scriptures through hearing, and might know the core of meditative concentration, such hearing and knowledge are of little import If wildly you engage in course behavior.
Therefore, it is vital to put the meaning of what you have heard into practice as much as you are able.”

Santideva, Verses abut Hearing and Engaging in the Bodhisattva Deeds

Thus, wisdom without right action is incomplete, just as action without wisdom is incomplete.
Afflictive emotions can be a stumbling block to enlightenment. Follow this link for a good explanation,Dharma 101.1: Afflictive Emotions.

The Dalia Lama has written a book exclusively dedicated to afflictive emotions, Destructive Emotions: A Scientific Dialogue with the Dalai Lama.