I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

The older one grows, the more one likes indecency.

软件的复杂性是一个本质属性，而不是偶然的。

读诗应当以心灵去感悟心灵，不能仅从字面意思去理解。