可持续性不再是一个选择；它是皮革鞣制未来的必要条件。

Literature should be judged as literature, not as a social document.

唯一重要的是你如何看待自己。

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.