The development of the vital forms under the influence of external conditions is a subject of the highest importance.

The magic number 150 suggests that the size of our social networks is limited by the size of our brains.

最终，我们记住的不是敌人的话语，而是朋友的沉默。

Opera is a way of living life to the fullest, a way of expressing emotions that cannot be expressed in any other way.