In every line the teacher should scrupulously observe the principles of health. He should do this not only because of its bearing upon his own usefulness, but also because of its influence upon his pupils. He should be temperate in all things; in diet, dress, labor, recreation, he is to be an example. With physical health and uprightness of character should be combined high literary qualifications. The more of true knowledge the teacher has, the better will be his work. The schoolroom is no place for surface work. No teacher who is satisfied with superficial knowledge will attain a high degree of efficiency.

Første klasses litterære kvalifikationer bør være forenede med legemlig sundhed og en retsindig personlighed. Jo mere virkelig kundskab læreren er i besiddelse af, jo bedre vil han kunne udføre sit arbejde. Klasseværelset er ikke det rette sted for overfladisk arbejde. Ingen lærer, der lader sig tilfredsstille med overfladiske kundskaber, vil drive det vidt.