In the end, we will remember not the words of our enemies, but the silence of our friends.

我不喜欢给音乐分类。

Competitive strategy is about being different. It means deliberately choosing a different set of activities to deliver a unique mix of value.

解释：影子的弯曲与正直是随身体而变化的，根源不在影子自身；自己的屈曲与伸直是随外物而变化的，而不在于个人的主观意志。这就是保持谦退才能使自己处世为先的道理。