The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used.
【译文】 子夏说：“重贤轻色、尽心孝顺父母、尽力献身国家、交朋友言而有信的人，即使没有高等学历，我也认为他已经受到了良好的教育。”
数学的本质在于它的自由。
The most beautiful things come from the heart.
That man, I think, has had a liberal education who has been so trained in youth that his body is the ready servant of his will.