Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.

后世的君主却不是这样，认为天下的利害大权都出于自己。

The foundation of morality is sympathy for others.

【释义】与其一味行善，不如先停止作恶；与其在犯错后弥补，不如平时谨慎反省，防微杜渐。

The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.