“Aside from mastery in the fine arts, success in learning anything is the result of genuine interest and amount of energy dedicated to it.”

“[R]epetition is as an essential element of language learning as a knife is to a lathe or fuel is to an internal combustion engine.”

“One should connect language learning with either work or leisure. And not at the expense of them but to supplement them.”

“[T]he time spent on language learning is lost unless it reaches a certain—daily and weekly—concentration.”

“[B]ooks, which can be consulted at any time, questioned again and again, and read into scraps, cannot be rivaled as a language-learning tool.”

“[S]elf-assurance, motivation, and a good method play a much more important role in language learning than the vague concept of innate ability, and that dealing with languages is not only an effective and joyful means of developing human relationships, but also of preserving one's mental capacity and spiritual balance.”

“My view is that knowing languages is part of the process of becoming a cultured person.”