All the powers of the mind should be called into use and developed in order for men and women to have well-balanced minds. The world is full of one-sided men and women who have become such because one set of their faculties was cultivated while others were dwarfed from inaction. The education of most youth is a failure. They overstudy, while they neglect that which pertains to practical business life. Men and women become parents without considering their responsibilities, and their offspring sink lower in the scale of human deficiency than they themselves. Thus the race is fast degenerating. The constant application to study, as the schools are now conducted, is unfitting youth for practical life. The human mind will have action. If it is not active in the right direction, it will be active in the wrong. In order to preserve the balance of the mind, labor and study should be united in the schools. {3T 152.2}

Hele sindets styrke bør bruges og udvikles for at mænd og kvinder kan have velafbalanceret (153) sindelag. Verden er fuld af ensidige mænd og kvinder som er blevet sådan fordi en del af deres evner blev opelsket medens andre blev små på grund af passivitet. De fleste unges opdragelse slår fejl. De studerer for meget medens de forsømmer det som hører til det praktiske liv. Mænd og kvinder bliver forældre uden at tage hensyn til deres ansvar og deres efterkommere synker dybere ned på den menneskelige mangelheds-skala end de selv er. Således degenereres slægten hurtigt. Det stadige krav til studier, som skolerne nu udviser, gør de unge uegnede for det praktiske liv. Mennesket vil gerne i aktivitet. Hvis det ikke er aktivitet i den rette retning, vil det være aktivitet i den forkerte retning. For at bevare sindets balance, bør arbejde og studier gå sammen i skolerne.