Prokofiyev -- pianopieces

我们常说,音乐可以陶冶情操,武术可以锻炼意志. 练习武术和学习音乐都是为了陶冶情操和锻炼意志,这也就是我们常说的-练己功夫。只有 知己，才能常胜。
" Music nurtures sentiment and martial art strengthens the will". To practise martial art
and music is to nuture one's sentiment and strengthen one's will. These are the training of self. Only by knowing oneself well, one can then succeed.