When a person has value, they will serve you like an emperor.
对自然的研究是永恒的乐趣。
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
人类的进步史也就是人类的堕落史;而私有制的确立,是造成人类不平等及其后果的关键。
【释义】:遵循礼的准则,不随意议论他人,不吝啬自己的付出。