消化道是一条穿过整个生物体的管道。
We hope to use technology to help more people be seen and more voices be heard.
那些善于学习的人们，应当能够求得其学习的甚解，了解之所以这样的缘故，不应当只求得背诵文章，看看便可以了。
The best paintings are those that make you forget the painter.
The only person who is educated is the one who has learned how to learn and change.
The past is always with us, for it feeds the present.
The stranger is an element of the group itself, not unlike the poor and sundry 'inner enemies'—an element whose membership within the group involves both being outside it and confronting it.