Emotions play a central role in adult education and further training. Educators invest significant effort in building relationships to optimally support learners in the learning process. The fully updated edition of this standard work analyzes the influence of emotions on the educational process and presents the current state of research. A central theme of the volume is the assumption that the development of competencies is closely linked to differentiated emotions. The author analyzes the topic from psychological, neurobiological, and educational perspectives, considering neighboring disciplines. A new extensive chapter addresses emotional influencing factors in the process of societal and politically emotional learning, focusing on issues such as resentments, prejudices, and stereotypes.