Utiliser "didactics" dans une phrase

1. Evtushévski does; but why it is all so remains inexplicable to him who is looking for actual reasons and does not become entangled in such words as psychology, didactics, methodics, heuristics

2. The moment parents or simply sensible people, who busy themselves with the question of education, express their doubt about the efficacy of these methods, they are told: "And what about Pestalozzi, and Diesterweg, and Denzel, and Wurst, and methodics, heuristics, didactics, concentrism?" and the bold people wave their hands, and say: "God be with them,—they know better