The one goes on mechanically the same, and depends for his power on violence, or on threats and demonstrations of violence.

The other brings all his ingenuity and enterprise into the field to accomplish a steady purpose by means ever varying, and depends for his power on his knowledge of human nature, and on the adroit adaptation of plans to her fixed and uniform tendencies.
I am very sorry, however, to be obliged to say that probably the latter class of teachers are decidedly in the minority.

To practice the art in such a way as to make it an agreeable employment is difficult, and it requires much knowledge of human nature, much attention and skill.

And, after all, there are some circumstances necessarily attending the work which constitute a heavy drawback on the pleasures which it might otherwise afford.

The almost universal impression that the business of teaching is attended with peculiar trials and difficulties proves this.
There must be some cause for an impression so general.