切勿认为任何事物是绝对确定的。
Do not feel absolutely certain of anything.
A writer must be a witness to his or her time, must bear witness to the injustices and the sufferings of the world.
It is not the mountain we conquer, but ourselves.
【译文】 孔子说：“明智的人喜欢水，仁慈的人喜欢山；明智的人好动，仁慈的人好静；明智的人快乐，仁慈的人长寿。”
每一粒麦子都承载着一段历史，但谁会倾听？
我们必须重视儿童心理发展期间的生理活动与动作。
We are on the verge: Today our program proved Fermat's next-to-last theorem.
Number is the ruler of forms and ideas， and the cause of gods and daemons.
所以勇往直前吧。跌倒吧。你会从地上看到一个不同的世界。
The moment the child is born, stimuli begin to play upon him.
Sometimes I just feel like quitting, but then I think about all the people I’d be letting down.