在開始使用威納教材以前，我們要認真地了解這套教材在事前給我們的觀念以及教導，往後的很多重點都來自於此。

＜Preface＞

原文：

After many years of practical expeirince, the author of this work has come to the conclusion that the pupil while acquiring the technique of his instrument should at the same time acquire a general knowledge of time, melody and harmony.

翻譯：