The subject of greatest satisfaction in teaching is ………….

Act of teaching: Teaching is a process of providing opportunities for students to produce relatively permanent change through engagement in experiences provided by the teachers. In simpler words teaching is the purposeful direction and management of the learning process. 

Teacher's first responsibility is towards students, hence, the subject of greatest satisfaction in teaching is a sense of contribution to the development of children.

Characteristics of Teaching are:

• It has different levels of teaching i.e memory level of teaching, understanding level of teaching, and reflective level of teaching.
• It takes place in a dynamic environment where the teaching-learning process is flexible and changes according to the needs of the learners. 
• It is closely related to education, learning, instruction and training.  
• It is essentially an intellectual activity.
• It is an art as well as science.
• It tends towards self-organization.
• It is a social service.
• It includes a lengthy period of study and training.
• It has a high degree of autonomy.
• It is triadic in nature, that is, it includes student, teacher and environment.
• It is a continuous process.
• Teaching is a profession.

Hence, the subject of greatest satisfaction in teaching is a sense of contribution to the development of children.