童年总有一个时刻,门会打开,让未来进来。
"There is always one moment in childhood when the door opens and lets the future in."
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
【译文】 孔子说:“吃粗粮、喝白水、弯着胳膊当枕头,乐也在其中了!缺少仁义的富贵,对我来说,就象天上的浮云。”